Documents A concave mirror with a focal length of 10 cm creates a real image 30 cm away on its principal axis;...

Slide 1A concave mirror with a focal length of 10 cm creates a real image 30 cm away on its principal axis; the corresponding object is located how far from the mirror? 1234567891011121314151617181920…

Documents Light By Neil Bronks Laws of Reflection The angle of incidence,i, is always equal to the angle of...

Slide 1 Slide 2 Light By Neil Bronks Slide 3 Laws of Reflection The angle of incidence,i, is always equal to the angle of reflection, r. The incident ray, reflected ray and…

Documents optics-10

1. A lens has power of - 2.5 D. What is the focal length and nature of the lens ? 2. A doctor has prescribed a corrective lens of power + 1.5 D. Find the focal length of…

Documents Describe two differences between electromagnetic waves and other (mechanical) waves.

Starter Describe two differences between electromagnetic waves and other (mechanical) waves. Write down the names of all seven types of electromagnetic waves in order of…