Question

State the various use of a periscope​

Answer 1

1. A periscope is used to see objects over the heads of a crowd.
2. It is used by soldiers sitting in a bunker to observe and view the opponents' activities over the ground.
3. It is used by a navy officer sitting in a submarine to see ships over the surface of the water in the sea.
4. It is also useful in submarines to determine the distance of the torpedo and decide the right time for an attack.

Answer 2

the periscope is an instrument for observation over, around or through the object, obstacle or condition that prevents direct line-of-sight observation from the observer's current position.

Step-by-step explanation:

the periscope is used to monitor the dangerous chemical reactions in the laboratory and they are used in observing the nuclear.