Question

18. State a condition for no refraction of light when light enter from one medium to another​

Answer 1

Answer:

Heya mate!!

Explanation:

When ray of light is on the normal ray.

Hope it helps u dear✌️✌️

Answer 2

Answer:

There will be no refraction of light if the light travels in medium with exact same refractive index, for example there are two mediums A & B, light ray enters medium A & then medium B, there will be no change in the path of light ray if the refractive index of medium A is equal to refractive index of medium B.