To get three images of a single object, one should have two... | Physics | SolveeIt | Solveeit

Today, August 23

Question

To get three images of a single object, one should have two plane mirrors at an angle of

A

$60^\circ$

B

$90^\circ$

C

$120^\circ$

D

$30^\circ$

Answer

$90^\circ$

Explanation

Solution

Number of images $n= \frac{360^\circ}{\theta}-1$ $3= \frac{360^\circ}{\theta}-1$ $\theta = 90^\circ$