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


2. Recording of sound on tapes was first invented by

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


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

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


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

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


5. The principle of Dynamo was discovered by

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


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