Q120 / 150 · MHT CET 2011 · Physics

If the temperature increases, then what happens to the frequency of the sound produced by the organ pipe?

  • Correct answer
    A
    increases
  • B
    decreases
  • C
    unchanged
  • D
    not definite

Solution

Due to rise in temperature, the speed of sound increases. Since frequency $n=\frac{v}{\lambda}$ and $\lambda$ remains unchanged. Hence frequency $n$ increases.

Hence, the correct answer is option: 'A'.

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