Question

A tiny mirror M is fixed on a piece of cardboard placed on a table. The cardboard is illuminated by light from a bulb. The position of eye with respect to position of bulb is shown in the following figure as A, B, C and D. In which position mirror will be visible?

(A)	(B)	(C)	(D)

Options

• A

• B

• C

• D

Answer 1

A

Explanation:

Following the laws of reflection of light, in case A, when a ray of light from the bulb strikes the mirror M, it will get reflected back such that the angle of incidence is equal to the angle of reflection.