Wave Mechanics Question 856

Question: If the temperature of the atmosphere is increased the following character of the sound wave is effected

[AFMC 2004]

Options:

A) Amplitude

B) Frequency

C) Velocity

D) Wavelength

Show Answer

Answer:

Correct Answer: C

Solution:

Since $ v=\sqrt{\frac{\gamma ,RT}{M}} $ i.e., $ v\propto \sqrt{T} $