Q.26.. What is Periscope? Write the uses of it
Answers
Answer:
Periscope is a device used for viewing objects from a certain angle with the help of mirrors and l8ght bending concept
Answer:
A periscope is defined as an instrument used for observing over, around or through an obstacle or object which is prevented by direct line of sight. It consists of an outer case with mirrors at each end at 45° angle. These mirrors are placed parallel to the surface. Jules Carpentier, a French engineer and inventor designed the submarine periscope. It was widely used during World War II in tanks and armoured vehicles.
uses are as follows:
It is used in submarines to determine the distance of a torpedo and helps in deciding the right time for the attack.It is used in a nuclear reactor to observe the chemical reactions that are taking place.In military periscopes are used to observe from their hiding position. The main disadvantage of a periscope is that it can be used by one person at a time.Tanks and armoured vehicles use the periscope to inspect the surrounding.