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Selina Solutions Class 9 Physics Solutions for Exercise 8B in Chapter 8 - Chapter 8 Propogation Of Sound Waves
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A man can hear the sound of frequency:
(a) 1 Hz
(b) 1000 Hz
(c) 200 kHz
(d) 5 MHz
Answer:
(b) 1000 Hz
Humans can hear in the frequency range of 20 Hz to 20 kHz
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