in a periscope, the mirrors are _ .
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Explanation:
Plane mirrors are used in a reflecting periscope. Two plane mirrors are fixed at the bends of the tube at an angle of 45o with the side of the tube
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Answer:
Plane mirrors are used in a reflecting periscope. Two plane mirrors are fixed at the bends of the tube at an angle of 45o with the side of the tube.
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