Question

What is refraction ? Why a coin seems lifted in glass beaker filled with water ? Explain withdiagram.

Answer 1

Answer:

Refraction is the bending of light when it enters a different medium.

Answer 2

Definition:refraction is the change in path of light when passing from one medium to another medium

Explanation:

So in a glad beaker coin seems lifted because of refraction of light .The reflected image of coin moves from water (denser medium)to air (rarer medium).So the light moves away from the normal and reaches our eyes.Then when extened backwards the image formed in our eyes is of coin lifted in water

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