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TYPES OF WAVES AND TYPES OF WAVES AND WAVE PARAMETERS WAVE PARAMETERS Physics Module 5 Unit 1 Lesson 1 & 2 BEGIN BEGIN
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Page 1: Physics M5 Types of waves and wave parameters

TYPES OF WAVES AND TYPES OF WAVES AND WAVE PARAMETERSWAVE PARAMETERS

Physics Module 5 Unit 1 Lesson 1

& 2

BEGIBEGINN

Page 2: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

INTRODUCTION

Waves are created by a disturbance of a

material, carrying energy away from the

source of the disturbance.

Page 3: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

OBJECTIVES

At the end of this presentation, you will be able to:

1.Identify the types of waves

2.Differentiate the types of waves

3.Identify wave parameters

4.Identify which parameters are dependent on other wave parameters.

Page 4: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

TYPES OF WAVES

Waves can be identified by their physical appearance as well as their properties. Some waves are circular or plane in shape.

Page 5: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

TYPES OF WAVES

Some waves are identified according to the propagation of its particles. Waves can be classified as:

1.Mechanical

2.Electromagnetic

3.Progressive

4.Standing /stationary

Page 6: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

TYPES OF WAVES

Mechanical waves are waves created by the disturbance of a material substance or medium as a result of repeated periodic motion of the particles of the medium. The energy is propagated as a result of the motion of the particles of the medium, but medium remains at its previous position.

Mechanical waves are classified as:

1.Longitudinal waves

2.Transverse waves

Page 7: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

TYPES OF WAVES

Examples of mechanical waves are:

Sound Earthquake P –wavesEarthquake P –waves

TsunamisUltrasound

Oscillation of a springOscillation of a spring

Page 8: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

TYPES OF WAVES

Electromagnetic waves are created by repeated periodic fluctuations of electric and magnetic fields of the environment. Electromagnetic waves does NOT require a medium for its propagation.

They are transverse in nature and travel in a vacuum with the velocity of light.

Examples of electromagnetic waves are:

1.Radio waves

2.Microwaves

3.Light waves

4.X – rays

5.Thermal radiation.

Page 9: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

TYPES OF WAVES

• Progressive waves are waves where the wave is moving away from its source.

• Examples of progressive waves are • electromagnetic waves,• dropping a stone in water.

Page 10: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

TYPES OF WAVES

Primary or P waves are longitudinal in nature, where as secondary or S waves are transverse in nature.

Page 11: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

LONGITUDINAL WAVES

A longitudinal wave is one in which the repeated periodic motion of the particles are parallel to the direction of energy of propagation.

Page 12: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

LONGITUDINAL WAVES

• Longitudinal waves are a series of compressions and rarefaction.

• A compression occurs where some of the wave particles are moving toward a common point where pressure and density it at its maximum.

• A rarefaction occurs where the wave particles are moving away from a common point where pressure and density are at a minimum.

Page 13: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

LONGITUDINAL WAVES

Examples of longitudinal waves are:

• Sound

• Tsunamis

• Earthquake P – waves

• Ultrasound

• Vibrations in a gas

• Vibration in a spring

Page 14: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

TRANSVERSE WAVES

A transverse wave is one which the repeated periodic motion of the particles are at right angles to the direction of the energy of propagation.

Page 15: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

TRANSVERSE WAVES

Although transverse waves are mechanical waves, NOT ALL transverse waves require a medium for its propagation. For example electromagnetic waves such as light and radio waves.

Examples of transverse waves are:

1.Vibration of a string

2.Surface water waves

3.Earthquake S-waves

Page 16: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

There are five wave parameters namely:

1.Amplitude

2.Period

3.Frequency

4.Wavelength

5.Wave speed

Page 17: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

• The five wave parameters can be illustrated using displacement –position or displacement time graphs.

• Displacement – time graph informs of the position of wave particle at a given time. It can be used to display amplitude, frequency and period of a wave.

• Displacement – position graphs inform of the position of a certain wave particle. It can be used to illustrate amplitude and wavelength of a wave.

Page 18: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

The displacement – time graph looks the same for longitudinal and transverse waves.

Page 19: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

Amplitude, a, is the maximum displacement of a wave from its equilibrium or rest position.

Page 20: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

Period, T, is the time taken to complete one oscillation.

Frequency, ƒ, is the number of oscillations per second.

Page 21: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

Frequency does NOT affect the amplitude of a wave.

Page 22: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

The lower the frequency, the larger the period as period is inversely proportional to the frequency of the wave.

Page 23: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

The wavelength, λ, is

•the distance between successive crests or troughs

•OR the distance between successive equal displacement of a wave particle .

Page 24: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

The wavelength of a longitudinal wave is the distance between successive compression or rarefactions.

Page 25: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

Waves are said to be in phase when

• waves travelling together are a complete number of wavelengths apart.

OR

• The particles of a wave train have equal displacement and velocity. A and A1 in the diagram below are in phase.

Page 26: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

Wave speed, v, is a measure of the total distance travelled by the wave in a given time. Wave speed is dependent upon frequency and wavelength of a wave. v = ƒ × λ

Page 27: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS

• When wave speed decreases, there is a change in wavelength of a wave.

• A tsunami wave is created on approaching shore of as a result of a decrease in speed and wavelength . The slower wave has an increased amplitude reaching heights of 26 -32 metres.

Page 28: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS - TSUNAMI

Tsunami waves are powerful and destructive, travelling several miles in land destroying buildings, trees and killing people and animals.

Page 29: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

NATURAL HAZARDS CAUSED BY WAVES

Page 30: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

NATURAL HAZARDS CAUSED BY WAVES

Earthquakes produce three types of waves:

1.Primary

2.Secondary

3.Surface

The magnitude of each type of wave can result in extensive damage to infrastructure such as bridges , roads and buildings such as schools and hospitals. There can be significant loss of lives due to falling debris from buildings.

Page 31: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

NATURAL HAZARDS CAUSED BY WAVES

Tsunamis are quite deceptive at first. It starts with a rapid retreat of waves out to sea. On December 26, 2004, persons out of curiosity followed the rapidly retreating waves.

Page 32: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

NATURAL HAZARDS CAUSED BY WAVES

• A larger wave with an increased amplitude appears shortly drowning the persons it originally deceived into following the retreating waves.

• 150, 000 persons in 11 countries were killed by the December 26 tsunami.

Page 33: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ

• Are you ready to test yourself?

• There are FIFTEEN multiple choice items that you are required to do.

• For each item, click on the letter of the correct response and then click the button ‘NEXT QUESTION’ to continue.

• There are also SIX short answer questions. Type your response in the box provided and then check your answer.

• Click the BEGIN QUIZ button to start the quiz.

33

BEGIN QUIZ!

Page 34: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 1

The particles of the medium are in periodic motion, perpendicular to the direction of propagation of the energy. Which of the following terms is defined by the above statement?

34

A. Longitudinal pulse

B. Longitudinal waves

C. Torsional pulse

D. Transverse wave

FEEDBACKFEEDBACK

Page 35: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 1

The particles of the medium are in periodic motion, perpendicular to the direction of propagation of the energy. Which of the following terms is defined by the above statement?

35

NEXT NEXT QUESTIONQUESTION

A - No . The particles have a to and fro movement.

B - No. The direction of the wave is parallel to the direction of propagation of the energy.

C - No.D - Yes. In a transverse wave the

direction of the particles’ movement is at right angles to the direction of the energy.

Page 36: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 2

A period of 0.5 s corresponds to a frequency of:

36

A. 0.2 Hz

D. 0.5 Hz

C. 1.0 Hz

B. 2.0 Hz

FEEDBACKFEEDBACK

Page 37: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 2

A period of 0.5 s corresponds to a frequency of:

37

NEXT NEXT QUESTIONQUESTION

A No. The frequency is the reciprocal of the period.

B Yes. The frequency is 1 ÷ 0.5 s = 2.0 Hz.

C No. The frequency is the reciprocal of the period.

D No. The frequency is the number of oscillations per second

Page 38: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 3

Two particles vibrating with the same amplitude are in phase if they have the same :

38

A. Speed only

D. Displacement and speed

B. Displacement only

C. Displacement and velocity

FEEDBACKFEEDBACK

Page 39: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 3

Two particles vibrating with the same amplitude are in phase if they have the same :

39

NEXT NEXT QUESTIONQUESTION

A No. when particles are in phase, they are moving with the same magnitude in the same direction.

B No. When particles are in phase they travel the same distance in the same direction from the equilibrium position.

C Yes. Displacement and velocity are vector quantities having the same magnitude and direction.

D No. The particles will not be in phase if they have the same displacement and moving with the same magnitude in different directions.

Page 40: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 4

Which of the following properties of a wave is independent of all the others?

40

A. Frequency

D. Velocity

C. Period

B. Amplitude

FEEDBACKFEEDBACK

Page 41: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 4

Which of the following properties of a wave is independent of all the others?

41

NEXT NEXT QUESTIONQUESTION

A No. If the velocity changes, frequency can change, since velocity = ƒ×λ.

B Yes. When frequency, period and velocity changes the amplitude remains unchanged.

C No. When the period changes, the frequency changes since T =1/ƒ

D No. If the velocity changes, frequency can change, since velocity = ƒ×λ.

Page 42: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 5

A sound wave has a wavelength of 3.0 m. The distance between the centre of compression and the centre of the adjacent rarefaction is:

42

A. 3.0 m

D. 6.0 m

C. 0.75 m

B. 1.5 m

FEEDBACKFEEDBACK

Page 43: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 5

A sound wave has a wavelength of 3.0 m. The distance between the centre of compression and the centre of the adjacent rarefaction is:

43

NEXT NEXT QUESTIONQUESTION

A No. The wavelength is the distance between successive compressions or rarefactions.

B Yes. The distance from centre of compression to the centre of adjacent rarefaction is half of a wavelength.

C No. D No.

Page 44: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 6

If a wave train has a period of 2.00 s and a wavelength of 7.00 m. How far will it travel in 8.00 s?

44

A. 14.0 m

D. 56.0 m

C. 17.0 m

B. 28.0 m

FEEDBACKFEEDBACK

Page 45: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 6

If a wave train has a period of 2.00 s and a wavelength of 7.00 m. How far will it travel in 8.00 s?

45

NEXT NEXT QUESTIONQUESTION

A No. The wave train will travel 14 m in 4. 0 s.

B Yes. The wave train will travel 7 m every 2 s, so it will travel 7 × 8/2 = 28 m.

C No. The wave train will travel 17 m in 2.5 cycles .. 17m ÷7.0m = 2.5 cycles

D No. The wave train will travel 56 m in 16 s. 7 m × 16 /2 = 56 m

Page 46: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 7

The particles of the medium are in periodic motion parallel to the propagation of the energy. Which of the following terms is defined by the above statement?

46

A. Torsional pulse

B. Transverse wave

C. Longitudinal pulse

D. Longitudinal wave

FEEDBACKFEEDBACK

Page 47: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 7

The particles of the medium are in periodic motion parallel to the propagation of the energy. Which of the following terms is defined by the above statement?

47

NEXT NEXT QUESTIONQUESTION

A No. The particles moving in different directions to the propagation of energy

B No. In a transverse wave the particles move at right angles to the direction of the propagation of the energy.

C No. A longitudinal pulse does not have periodic motion

D Yes. In a longitudinal wave the particles are in periodic motion in a direction that is parallel to the direction of propagation of energy.

Page 48: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 8

A pendulum makes 40 complete vibrations in 20 s. Its period is:

48

A. 0.50 Hz

D. 22.0 s

B. 2.0 Hz

C. 0.5 s

FEEDBACKFEEDBACK

Page 49: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 8

A pendulum makes 40 complete vibrations in 20 s. Its period is:

49

NEXT NEXT QUESTIONQUESTION

A No. The period is the time taken for one complete oscillation. One oscillation = total time ÷ total number of oscillations. 20 s ÷ 40 = 0.5 s

B No. C Yes . The period is the time taken for one

complete oscillation. One oscillation = total time ÷ total number of

oscillations. 20 s ÷ 40 = 0.5 sD No.

Page 50: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 9

If ƒ represents the frequency of a wave, v its speed, and T its period, which relationship is correct?

50

A. ƒ = v + T

B. ƒ = vT

C. ƒ = v/T

D. ƒ = 1 / T

FEEDBACKFEEDBACK

Page 51: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 9

If ƒ represents the frequency of a wave, v its speed, and T its period, which relationship is correct?

51

NEXT NEXT QUESTIONQUESTION

A No. Frequency is inversely proportional to the period.

B No. Wave speed is the product of frequency and wavelength.

C No. Wave speed is the product of frequency and wavelength.

D Yes. Frequency is inversely proportional to the period.

Page 52: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 10

Which of the following examples is NOT a transverse wave?

52

A. Microwaves

D. Radio waves

C. Seismic S - waves

B. Sound

FEEDBACKFEEDBACK

Page 53: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 10

Which of the following examples is NOT a transverse wave?

53

NEXT NEXT QUESTIONQUESTION

A No. Microwaves are electromagnetic waves and electromagnetic waves are transverse waves.

B Yes. Sound is a longitudinal waveC No. Seismic –S waves are transverse

waves.D No. Radio waves are electromagnetic

waves which are transverse waves.

Page 54: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 11

A wave has a frequency of 20 Hz and a wavelength of 3.0 m. The speed is:

54

A. 3.3 m/s

B. 23.0 m/s

C. 66.7 m/s

D. 60.0 m/s

FEEDBACKFEEDBACK

Page 55: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 11

A wave has a frequency of 20 Hz and a wavelength of 3.0 m. The speed is:

55

NEXT NEXT QUESTIONQUESTION

A No. wave speed = frequency × wavelength.

B No. wave speed is NOT the sum of frequency and wavelength.

C No. D Yes. Wave speed = ƒ×λ = 20 × 3.0 m =

60 m/s

Page 56: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 12

If the frequency of a vibration is 5 Hz, then the period of this vibration is:

56

A. 2.0 s

D. 5.0 s

B. 0.5 s

C. 0.2 s

FEEDBACKFEEDBACK

Page 57: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 12

If the frequency of a vibration is 5 Hz, then the period of this vibration is:

57

NEXT NEXT QUESTIONQUESTION

A No. Frequency is inversely proportional to the period of a wave.

B No. C Yes. ƒ = 1/T = 1/5 = 0.2 sD No. Frequency is the number of

oscillation/vibrations per second where as the period is the time taken for one complete oscillation or vibrations.

Page 58: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 13

A sound of frequency 30 Hz, travelling at a speed of 300 m/s, has a wavelength of:

58

A. 9.0 × 103 m

D. 9.0 × 101 m

C. 1.1 × 101 m

B. 1.0 × 101 m

FEEDBACKFEEDBACK

Page 59: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 13

A sound of frequency 30 Hz, travelling at a speed of 300 m/s, has a wavelength of:

59

NEXT NEXT QUESTIONQUESTION

A No. wavelength = wave speed ÷ frequency.

B Yes. λ = v ÷ ƒ = 300 m ÷ 30 Hz = 10 = 1 × 101 m

C No. D No. Wavelength = wave speed ÷

frequency

Page 60: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 14

Tsunamis are examples of what type of waves?

60

B. Water waves

D. Surface waves

C. Transverse waves

A. Longitudinal waves

FEEDBACKFEEDBACK

Page 61: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 14

Tsunamis are examples of what type of waves?

61

A Yes . Tsunamis are longitudinal waves.

B No. Tsunamis are water waves, but do not inform as to the type of wave.

C No. Transverse waves the movement of the particles are at right angles to the direction of the wave. Tsunami waves the particles of the wave have to and fro movement parallel to the direction of the wave.

D No. Tsunamis are surface waves but this is an incomplete answer.

NEXT NEXT QUESTIONQUESTION

Page 62: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: QUESTION 15

Three kinds of waves are given:

I.Electromagnetic waves

II.Longitudinal waves

III.Transverse waves

The sound of church bells are transmitted to your ears by :

62

B. III only

D. I and II only

C. I only

A. II only

FEEDBACKFEEDBACK

Page 63: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

QUIZ: FEEDBACK TO QUESTION 15

Three kinds of waves are given:I. Electromagnetic wavesII. Longitudinal wavesIII. Transverse wavesThe sound of church bells are transmitted to your ears

by:

63

A Yes. Sound waves are longitudinal waves.

B No. Sound waves are longitudinal and NOT transverse waves.

C No. Electromagnetic waves are transverse waves and sound is a longitudinal wave.

D No. Sound is a longitudinal wave but not an example of electromagnetic waves.NEXT NEXT

QUESTIONQUESTION

Page 64: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS ACTIVITY 1

What is the name of position A ? Type your response in the box.

Trough Click here for answer.

NEXT NEXT QUESTIONQUESTION

Page 65: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS ACTIVITY 2

What is the name of position B? Type your response in the box.

Crest Click here for answer.

NEXT NEXT QUESTIONQUESTION

Page 66: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS ACTIVITY 3

What is the amplitude of the wave? Type your response in the box.

4 cmClick here for answer.

NEXT NEXT QUESTIONQUESTION

Page 67: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS ACTIVITY 4

What is the wavelength of the wave? Type your response in the box.

6.0 cmClick here for answer.

NEXT NEXT QUESTIONQUESTION

Page 68: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS ACTIVITY 5

What is the frequency of the wave? Type your response in the box.

2 oscillations per secondClick here for answer.

NEXT NEXT QUESTIONQUESTION

Page 69: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

WAVE PARAMETERS ACTIVITY 6

What is the period of the wave? Type your response in the box.

0.5 seconds

END OF END OF QUIZ QUIZ

Click here for answer.

Page 70: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

END OF QUIZ

• You have reached the end of the quiz.

• If you wish to review this lesson, go to the first slide.

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70

Page 71: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

CREDITS

COVER SLIDE and slide 29 http://lovely-pics.com/data/media/7/giant_mega_tsunami_wave_footage.jpg

Slide 4 circular waves

http://www.zenmoves.org/wp-content/uploads/2010/12/ripples.gif

Slide 4 plane waves

http://serc.carleton.edu/images/quantskills/methods/quantlit/waverefraction.jpg

Slide 10

http://www.antonine-education.co.uk/Salters/MUS/Making_Sounds_files/image001.gif

Page 72: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

CREDITS

Slide 11

http://spot.pcc.edu/~aodman/physics%20122/light-electro-pictures/longitudal%20compresion%20waves.jpg

Slide 12

http://www.antonine-education.co.uk/Salters/MUS/Making_Sounds_files/image003.gif

Slide 15

http://www.splung.com/waves/images/wave-types.png

Page 73: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

CREDITS

Slide 19 http://www.one-school.net/Malaysia/UniversityandCollege/SPM/revisioncard/physics/wave/images/Displacement-TimeGraph.png

Slide 20 http://dev.physicslab.org/img/a1f2a2cf-addc-442f-91b4-6ce6c1764fcc.gif

Slide 21

http://1.bp.blogspot.com/_FAgA6-CHYr8/SyNz-Ia3KHI/AAAAAAAAAPg/KgmJQGQQnng/s400/1.bmp

Page 74: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

CREDITS

Slide 22

https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcQyPXikbP_NqRQS23Q9-DCjErrw_hgGpr1f_bLZxnZCGbihfAiQ

Slide 23

http://images.tutorvista.com/cms/images/83/frequency-and-wavelength.gif

Slide 24

http://www.bbc.co.uk/bitesize/higher/physics/images/waves1.gif

Slide 25 https://d3r4ecz8hnfnqf.cloudfront.net/50b6a144e4b0c605c0f22822/full/wave-10.jpeg

Page 75: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

CREDITS

Slide 26

http://www.bbc.co.uk/bitesize/higher/physics/images/waves2.gif

Slide 27

http://www.cartage.org.lb/en/themes/Sciences/Physics/Acoustics/General/Wavelength2/freq-wavelength.jpg

Slide 30 http://www.drjudywood.com/articles/dew/dewpics/Image297.gif

Page 76: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

CREDITS

Slide 32 http://geol105naturalhazards.voices.wooster.edu/files/2011/03/tsunami_wave_coming_time_to_run-300x192.jpg

Slide 33

http://geol105naturalhazards.voices.wooster.edu/files/2011/03/tsunami_wave_coming_too_late_to_run-300x202.jpg

Wave parameters activity (slides 66 -69)

http://www.ahsd.org/science/stroyan/APPhysics/CH14/apch14wq/f16009.jpg

Page 77: Physics M5 Types of waves and wave parameters

OBJECTIVES

Types of Waves

Longitudinal waves

Transverse waves

Wave Parameters

QUIZ

INTRODUCTION

XX

CREDITS

Slides 70 – 71

http://www.teachengineering.org/collection/cub_/lessons/cub_images/cub_soundandlight_lesson3_figure1.jpg

Quiz questions slides 35 – 64

Caribbean Examination Council Module 8

Pages 50 – 58