how reconstruct a periscope without plane mirrors
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To make a cardboard periscope, first cut the tops off 2 empty quart-sized milk cartons. Then, tape the cartons together to make one long box. Next, cut a hole the size of one of your small mirrors on one side of your carton, about ¼ of an inch from the end.
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Construction of Periscope.
A periscope works on the principle of reflection of light from one plane mirror placed at an angle(45
0
) parallel to other plane mirror. Diagram shows the position of mirrors and light rays. In the figure a and b are the positions of mirror at an angle of 45
0
.
Importance of periscope : Periscope is used by the submariners to view the objects at the surface of water.
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