user image

Pooja Sharma

SSC & Railways
General Awareness
2 years ago

The instrument which is used for seeing objects at the surface of water from a submarine under water is called?

user image

Abhishek Mishra

2 years ago

periscope, optical instrument used in land and sea warfare, submarine navigation, and elsewhere to enable an observer to see his surroundings while remaining under cover, behind armour, or submerged.

Recent Doubts

Close [x]