Two plane mirrors. A and B are aligned parallel to each other, as shown in the

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Two plane mirrors. A and B are aligned parallel to each other, as shown in
the figure. A light ray is incident at an angle of 30⁰ at a point just inside one
end of A. The plane of incidence coincides with the plane of the figure. The
maximum number of times the ray undergoes reflections (including the first
one) before it emerges out is

Two Plane Mirrors. A And B Are Aligned Parallel To Each Othe...

[IIT-JEE (Screening) 2002]

Options:

A . 28

B . 30

C . 32

D . 34

Answer: Option B
:
B
From the following ray diagram

Two Plane Mirrors. A And B Are Aligned Parallel To Each Othe...

Two Plane Mirrors. A And B Are Aligned Parallel To Each Othe...

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