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Question

Physics Question on Ray optics and optical instruments

If two mirrors are kept at 60∘60^{\circ} to each other, then the number of images formed by them is:

A

5

B

6

C

7

D

8

Answer

5

Explanation

Solution

Number of images n=360∘θ−1n=\frac{360^{\circ}}{\theta}-1 where 0 is angle between mirrors. Thus,θ=60∘\theta=60^{\circ} (given) So, number of images n=360∘60∘−1=5n=\frac{360^{\circ}}{60^{\circ}}-1=5