Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
For seeing objects at the surface of water from a submarine under water, the instrument used is | |
A. | kaleidoscope [Wrong Answer] |
B. | periscope [Correct Answer] |
C. | spectroscope [Wrong Answer] |
D. | telescope [Wrong Answer] |