TYPES OF WAVES AND TYPES OF WAVES AND WAVE PARAMETERS WAVE PARAMETERS Physics Module 5 Unit 1 Lesson 1 & 2 BEGIN BEGIN
Aug 18, 2015
TYPES OF WAVES AND TYPES OF WAVES AND WAVE PARAMETERSWAVE PARAMETERS
Physics Module 5 Unit 1 Lesson 1
& 2
BEGIBEGINN
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.
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.
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.
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
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
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
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.
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.
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.
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.
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.
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
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.
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
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
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.
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.
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.
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.
OBJECTIVES
Types of Waves
Longitudinal waves
Transverse waves
Wave Parameters
QUIZ
INTRODUCTION
XX
WAVE PARAMETERS
Frequency does NOT affect the amplitude of a wave.
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.
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 .
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.
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.
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
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.
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.
OBJECTIVES
Types of Waves
Longitudinal waves
Transverse waves
Wave Parameters
QUIZ
INTRODUCTION
XX
NATURAL HAZARDS CAUSED BY WAVES
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.
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.
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.
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!
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
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.
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
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
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
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.
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
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.
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
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.
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
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
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
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.
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
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.
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
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.
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
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.
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
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
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
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.
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
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
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
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
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
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
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
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
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
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
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
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.
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.
• If you have finished viewing the lesson, click the Close (X) button.
70
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
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
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
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
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
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
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