A diver shines light up to the surface of a smooth pond at a 10° angle to the normal.Some light passes into the air above,and the part that reflects back into the water makes an angle to the normal of
A)less than 10°.
B)10°.
C)more than 10°.

Question

Quizplus · Accepted Answer

According to the law of reflection, the angle of incidence is equal to the angle of reflection. Therefore, if the light is shone at a 10° angle to the normal, the light that reflects back into the water will also make a 10° angle to the normal.

A Diver Shines Light Up to the Surface of a Smooth