Physics related questions and answers

DoThe Best
By DoThe Best January 29, 2016 12:46

Physics related questions and answers

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

Recording of sound on tapes was first invented by

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

Answer:C

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

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

Answer:A

Production of beats is a result of the phenomenon of

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

Answer:C

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 January 29, 2016 12:46
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