Q: A sound wave has a frequency of 4 kHz and wavelength 30 cm. How long will it take to travel 2·4 km?
(a)2·0 s
(b)0·6 s
(c)1·0 s
(d)8·0 s
Correct Answer: (a)
Detailed explanation coming soon.
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CDS 2021 Session IIQ. 19 of 120
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Q: A sound wave has a frequency of 4 kHz and wavelength 30 cm. How long will it take to travel 2·4 km?
Correct Answer: (a)
Detailed explanation coming soon.