Q. 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) 2.0 s
B) 0.5 s
C) 1.0 s
D) 4.0 s
✔ Correct Answer: 2.0 s
Exam Insight
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A) 2.0 s
B) 0.5 s
C) 1.0 s
D) 4.0 s
✔ Correct Answer: 2.0 s
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