Under what condition in an arrangement of two plane mirrors, incident ray and reflected ray will always be parallel to each other, whatever may be angle of incidence. Show the same with the help of a diagram.
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you can show this by making the mirror reflecting light on other mirror kept in front of it, and then the second mirror again give light back to it
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Answer:90
Explanation:Let there are two mirrors inclined at an angle theta and a ray light is incident on one of the mirror with angle of incidence as 'i' and the reflected ray is incident on the other mirror at an angle 'r'.
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