Question

written on the inner side of glass window of the hospital van it is readable from outside? Why is it so writtent What is the angle of incidence of a ray if the reflected ray is at an angle of 90° ray?​

Answer 1

This is your answer

Explanation:

If the incident and reflected rays are at right angles to each other, the angle of refraction r is given by.

Answer 2

45 degree



Mark me as brainliest