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Question

Two plane mirrors M1 and M2 each have length 1 m and are separated by 1 cm. A ray of light is incident on one end of mirror M1 at angle 45. How many reflections the ray will have before going from the other end?
1379544_9a2dfb0dec7148cba2916c6718192ca8.PNG

A
50
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B
51
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C
100
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D
101
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Solution

The correct option is D 101
Option D is correct
2009467_1379544_ans_178cf087a8774c37b07e55f02024ead0.PNG

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