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A source of sound produces waves in air of wavelength1.65m. If the speed of soundin air ...

A source of sound produces waves in air of wavelength 1.65m. If the speed of sound in air is 330ms\(^{-1}\), the period of vibration in air is?
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  • A 200
  • B 0.005
  • C 0.5
  • D 0.02
Correct Answer: Option B
Explanation:
V = \(\frac{\lambda}{T}\)
: v = 330ms\(^{-1}\)
\(\lambda\) = 1.65m
T = ?
330 = 1.65
T = \(\frac{1.65}{330}\) = 0.005s

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