We can distinguish between a man’s and a woman’s voices equally loud without seeing them. This is due to a property of sound that measures the shrillness. Can you choose the correct unit of the quantity on which this characteristic of sound depends?
A
Hertz
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B
Metre/sec
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C
Metre
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D
Unitless
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Solution
The correct option is A Hertz Frequency is the property of sound that distinguishes between a man’s and a woman’s voices equally loud without seeing them. This helps measure the shrillness of sounds