Question

give two conditions under which the light ray moving from one medium to another do not show ​

Answer 1

Answer:

when a ray of light travels from medium 1 to medium 2 without any change of direction. it is possible under either of the following two conditions : (i) a ray of light is incident normally on the surface separating two media. (ii) The refractive index of medium 1 is equal to the refractive index of medium 2.

Explanation:

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