rays of light strike a horizontal plane mirror at an angle of `45^(@)`. At what angle should be a second plane mirror be placed in order that the reflected ray finally be reflected horizontally from the second mirror.

rays of light strike a horizontal plane mirror at an angle of `45^(@)`

1.	rays of light strike a horizontal plane mirror at an angle of `45^(@)`. At what angle should be a second plane mirror be placed in order that the reflected ray finally be reflected horizontally from the second mirror.
Answer» Correct Answer - Second mirror should be inclined to the horizontal at angle of `67.5^(@)`

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rays of light strike a horizontal plane mirror at an angle of `45^(@)`. At what angle should be a second plane mirror be placed in order that the reflected ray finally be reflected horizontally from the second mirror.

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