Question

32) Two plane mirrors m1 and m2 each of this length 473 m and are
separated from one another by 1mm. A ray of light is incident at one end of
mirror m1 at angle 60 degrees. How many reflections, the ray will have
before going out from other end
a) 400
b) 4000
c) 40
d) 40000​

Answer 1

Answer:

4000

Explanation:

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