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Question

The number of images formed when two plane mirrors are placed at an angle of 36 is:

A
7
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B
6
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C
9
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D
8
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Solution

The correct option is C 9
We know, number of images formed n=(360Θ)1.
where,
Θ is the angle at which the mirrors are placed.
Given, Θ=36
,n=(36036)1 = 10 - 1 = 9
Hence 9 images are formed.

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