basic general knowledge questions

9 years ago

pooja

1 minute

79.

Missile ‘prithivi’ aims
A.    to test the performance of an indigenously built heat-shield
B.    to hit target without the help of the Air Forces
C.    to defend a large installations like oil-fields etc. against enemy attacks
D.    None of the above
Answer & Explanation

Answer: Option B

Explanation:

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80.

Microphone is used to convert
A.    sound waves into electrical energy
B.    sound waves into light rays
C.    electrical energy into sound waves
D.    sound waves into magnetic currents
Answer & Explanation

Answer: Option A

Explanation:

No answer description available for this question.