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Absolute and Relative Refractive Index

Give three ex...

Question

Give three examples of materials that refract light rays. What happens to the speed of light rays when they enter these materials ?

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Solution

Three examples of materials that refract light rays are water, glass and diamond. When light rays (travelling in air) enter these materials, their speed decreases.

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Q. The refractive indices of four materials A, B, C and D are 1.33, 1.43, 1.71 and 1.52 respectively. When the light rays pass from air into these materials, they refract the maximum in:

(a) material A
(b) material B
(c) material C
(d) material D

Q. A light ray passes from a material of low refractive index to one of high refractive index. Which of the pairs of quantities listed below describes the light ray as it strikes and passes through the interface between the two materials? Match the descriptions below with the statement that best describes the situation.
Statement: A part of the light ray remains inside the low refractive index material.

Light rays get refracted ______ when they pass from air to glass prism.

Rays of light are refracted ______ when they are passed from air to glass prism.

Q. A light ray passes from a material of low refractive index to one of high refractive index. Which of the pairs of quantities listed below describes the light ray as it strikes and passes through the interface between the two materials? Match the descriptions below with the statement that best describes the situation
The light ray inside the material with the higher index of refraction bends toward the normal

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