A ray reflected successively from two plane mirrors inclined at a certain angle undergoes a deviation of 300 degree. Then the number of images observable is:
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A Ray reflected successively from two plane mirrors inclined at a certain angle undergoes a deviation of 300 degrees .the number of observable images is.
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ô=360°-2θ⇒300°=360°-2θ⇒θ=30°∴no of images formed is n=(360°/θ)-1⇒n=(360°/30°)-1
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