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Upper Secondary: IGCSE
IMPORTANT
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A vertical ray of light strikes the horizontal surface of some water. What is its angle of incidence?

Important Questions on Light

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Physics Coursebook Second Edition>Chapter 13 - Light>Questions>Q 13.8
A vertical ray of light strikes the horizontal surface of some water. What is its angle of refraction?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Physics Coursebook Second Edition>Chapter 13 - Light>Questions>Q 13.9
When a ray of light passes from air to glass, is the angle of refraction greater than or less than, the angle of incidence?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Physics Coursebook Second Edition>Chapter 13 - Light>Questions>Q 13.1
Why do we see a distorted view when we look through a window that is covered with raindrops?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Physics Coursebook Second Edition>Chapter 13 - Light>Questions>Q 13.11
Look at the table. What is the value of the refractive index of a diamond?
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HARD
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Physics Coursebook Second Edition>Chapter 13 - Light>Questions>Q 13.12
The figure shows what happens when a ray of light enters blocks of two different materials, A and B 
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(a) In which material does the light travel more slowly, A and B? Explain how you can tell from the diagrams.
(b) Which material, A or B, has the greater refractive index?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Physics Coursebook Second Edition>Chapter 13 - Light>Questions>Q 13.13
Light travels more quickly through water than through glass. Which has the greater refractive index, water or glass?
HARD
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Physics Coursebook Second Edition>Chapter 13 - Light>Questions>Q 13.13
Light travels more quickly through water than through glass. If a ray passes from glass into water, which way will it bend: towards or away from the normal?
HARD
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Physics Coursebook Second Edition>Chapter 13 - Light>Questions>Q 13.14
The speed of light in a block of glass is found to be 1.90×108 ms-1. Calculate the refractive index of the glass. (The speed of light in a vacuum is 3×108 ms-1)