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Q.

Which of the following sounds will have the highest pitch?

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a

20 Hz

b

200 Hz

c

20 kHz

d

2 kHz

answer is D.

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Detailed Solution

The Pitch or shrillness of sound is determined by the frequency of the sound. The more the frequency the more shrill or pitch. Since the frequency of 20kHz is the maximum, option 4 will be the correct answer.

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