A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The t – McqOptions

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1.	A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance of 3.2 km is:
A.	0.5 s
B.	4.0 s
C.	2.0 s
D.	1.0 s
Answer» D. 1.0 s

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