Physics related questions and answers-GK

DoThe Best
By DoThe Best December 3, 2015 14:18

1. A woman’s voice is shriller than man’s voice due to

A. lower frequency
B. higher frequency
C. weak vocal chords
D. higher amplitude

Answer:B

2. Recording of sound on tapes was first invented by

A. Fleming
B. Ampere
C. Poulsen
D. Becquerrel

Answer:C

3. Which one of the following would be most powerful electro magnet?

A. soft iron
B. steel
C. copper
D. air

Answer:A

4. Production of beats is a result of the phenomenon of

A. reflection
B. resonance
C. interference
D. superposition

Answer:C

5. The principle of Dynamo was discovered by

A. Max Planck
B. Michael Faraday
C. Albert Einstein
D. Sir Humphrey Davy

Answer:B

DoThe Best
By DoThe Best December 3, 2015 14:18
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