Question

Phenomenon in which light travelling in one medium falls on the surface of another medium and turns back in the same medium is called​

Answer 1

Answer:

Refraction

Refraction is the change in direction of propagation of a wave when the wave passes from one medium into another, and changes its speed. Light waves are refracted when crossing the boundary from one transparent medium into another because the speed of light is different in different media.

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Answer 2

Answer:

Refraction

Explanation:

The process of deviation on light when travelling from one medium to another is known as refraction

For ex. when light travelling from air ( lower refractive index) to water ( higher refractive index compared to air) the light bends its path toward the normal and the changes its path as same as in the air and the deviated path ray will be parallel to the ray of light in air when extended