Which of the following sounds have the highest frequency? a) A man shouting. b) The sound of a whistle. c) A lion's roar. d) The sound of a drum.
A
a
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B
b
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C
c
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D
d
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Solution
The correct option is B b Low-frequency sounds are low pitched like that of a man shouting (85-185 Hz), a lion's roar (40-200 Hz), the sound of a drum (50-250 Hz) whereas frequency of the sound of a whistle varies between 500-5000 Hz.