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Multiple Reflections

Minimum numbe...

Question

Minimum number of mirrors used in a kaleidoscope is:

A

1

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B

2

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C

3

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D

4

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Solution

The correct option is B 2
A kaleidoscope is an optical instrument with two or more reflecting surfaces (or mirrors) tilted to each other at an angle. The diagram shows a kaleidoscope with $3$ mirrors.
Hence the minimum no of mirrors is $2.$

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