Question

3. Explain the working of a periscope.​

Answer 1

Explanation:

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Answer 2

Answer:

A periscope works on the principle of reflection of light from one plane mirror placed at an angle(45 degree) parallel to other plane mirror.

Explanation:

A periscope works on the basis of laws of reflection of light. Any object in the line of sight reflects the light making it visible in the periscope.

The mirrors are placed at an angle of 45° such that when light falls on one of the mirrors, it gets reflected back making it fall on the other mirror which further gets reflected back to the observer’s eyes. But in more complex periscopes, prisms are used in place of mirrors. The instrument does not produce any magnification and crossline images.