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A small hole P is made in a piece of car...

A small hole P is made in a piece of cardboard. The hole is illuminated by a torch as shown in Fig. 16.3. The pencil of light coming out of the hole falls on a mirror.

At which point should the eye be placed so that the hole can be seen?

A

A

B

C

C

B

D

D

Text Solution

Verified by Experts

The correct Answer is:
A
According to law of reflection we know in case of plane mirror the angle of reflection is equal to the angle of incidence. So,if we place the eye on point A the hole can be seen.
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