Question

Q. 20
Explain the Periscope with suitable fi
gure​

Answer 1

Explanation:

1. Light from a distant object strikes the top mirror and is then reflected at an angle of 90 degrees down
2. the periscope tube. At the bottom of the periscope, the light strikes another mirror and is then reflected into the viewer’s eye. The simple periscope in Figure 1 uses only flat mirrors as compared to the periscopes used on submarines, which are usually a complex optical system using both lenses and mirrors.

Answer 2

Answer:

A periscope works on the law of reflection which states that the light from the object falls on one mirror at a 45°angle from the object and is reflected .This reflected light then falls on another mirror band it again reflected untill it reaches the humans