A light beam is being reflected by using two mirrors, as in a periscope used in submarines. If one of the mirrors rotates by an angle |
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b) |
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d) |
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A light beam is being reflected by using two mirrors, as in a periscope used in submarines. If one of the mirrors rotates by an angle |
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a) |
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b) |
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c) |
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d) |
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(a) When a mirror is rotated by an angle |