If a light ray is traveling from air into a glass prism, how will the direction of the light ray change after it enters the prism?

The correct answer is "The light ray will be refracted towards the normal".

Explanation:

Refraction: It is the phenomenon in which light gets bend while travelling from one medium to the another medium due to change in the speed of light.

The light ray gets bend towards the normal after travelling from the rare medium to the denser medium.

The light ray gets bend away from the normal after travelling from the denser to rarer medium.

In the given problem, If a light ray is traveling from air into a glass prism then the direction of the light ray will change after it enters the prism. The light ray will be refracted towards the normal

Therefore, the correct option is (A).

the answer is b ) square root of 5

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