Published by:
CGP EDU Academic Team
Published on: August 21, 2026
Two plane mirrors of length 
each are kept at a distance of 
parallel to each other. A ray of light incident on one end of one mirror at an angle of 
, then total number of reflections before it reaches the other end is (given, 
)
Text Solution
Verified by ExpertsThe correct answer is:
Let, 
be the distance travelled by ray in the direction of mirror, then
Total number of reflections before it reaches the other
end, 
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