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Propagation of Light

As shown in t...

Question

As shown in the diagram, the light ray is approaching the first mirror at an angle of 45° with the mirror surface. How many times will the ray reflect before it exits the system?

A

3

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B

2

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C

4

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D

Infinitely many

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Solution

The correct option is B 2
Incident light ray will reflect at points A and B as shown in the below diagram.

Total number of reflections = 2
Hence, the correct answer is option (2).

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