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Question

A mirror is inclined at an angle θ with the horizontal and a ray of light is incident on it as shown. Find the angle made by the reflected ray with the horizontal.


A
θ
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B
2θ
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C
θ/2
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D
Zero
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Solution

The correct option is D Zero

From figure,
i=90θ
r=90θ
Therefore, the angle made by the reflected ray with mirror is,
=90(90θ)=θ
So, the ray is reflected horizontally. It means reflected ray make 0 angle with horizontal.
Hence, option (d) is the correct answer.

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