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Q: A sound wave has a frequency of 4 kH2 and a wavelength of 40 cm. The time taken by a sound wave to cover a distance of 3.2km is-
  • A. 0.5 s
  • B. 4.0 s
  • C. 2.0 s
  • D. 1.0 s
Correct Answer: Option C -
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Explanations:

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