Two plane mirrors M(1) and M(2) each hav...

Two plane mirrors `M_(1)` and `M_(2)` each have length `1 m` and are separated by `1 cm`. A ray of light is incident on one end of mirror `M_(1)` at angle `45^(@)`. How many reflections the ray will have before going from the other end?

`50`

`51`

`100`

`101`

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