wave_mechanics organ_pipe_vibration_of_air_column Question 32

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

[RPET 1996; DPMT 2000; RPMT 2001]

Options:

A) Increases

B) Decreases

C) Unchanged

D) Not definite

Show Answer

Answer:

Correct Answer: A

Solution:

Due to rise in temperature, the speed of sound increases.

Since $ n=\frac{v}{\lambda } $ and $ \lambda $ remains unchanged, hence n increases.