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What is refraction ?

When a beam of light falls obliquely at the interface of the two optical media, the direction of its paths changes when it enters into the other medium.This phenomenon is called refraction.


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1

AIM

To trace the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, the angle of refraction, the angle of emergence and interpret the result.

 2

During refraction what happens to speed , wavelength and frequency of the wave?

 3

When travelling from a rarer medium to denser medium , the ray will bend on which reaction ?

 4

When a ray of light travels from a denser medium to rarer, where the light will move in respect to normal?