Question

a ray of light is incident on the plane mirror at rest. the mirror starts turning at a uniform acceleration of 2 pie rad per second square about an axis in the plane of mirror. the reflected ray at the end of .25sec must have gone through ?

will mark the brainliest

Answer 1

Answer:

the answer is a bit hard

Explanation:

it would have gone to opposite side of the ray

Answer 2

Answer:

Angle turned by ray = twice of angular displacement

$= 2 \times \frac{1}{2} \pi \times ( \frac{1}{4} ) {}^{2}$

$= 11.25$