General Knowledge Question:

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For seeing objects at the surface of water from a submarine under water, the instrument used is:
A. kaleidoscope
B. periscope
C. spectroscope
D. telescope

General Knowledge Interview Question
General Knowledge Interview Question

Answer:

B. periscope

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Dr. Zakir Hussain was:
A. the first Muslim president of India
B. first vice president of India
C. first president of Indian National Congress
D. first speaker of Lok Sabha		Fathometer is used to measure:
A. Earthquakes
B. Rainfall
C. Ocean depth
D. Sound intensity