Question

The pressure variation equation of a sound wave propagating in a medium with pressure amplitude $P_0$ is

$P=P_{0}sin\omega (t-\frac{x}{v})$

Inference:

In the tube where this wave is propagating if we measure pressure, then the maximum pressure measured will be _{$P_0$} atm and Minimum pressure measured will be _{$-P_0$} atm as maximum $\&$ minimum values of sin $\theta$ is (+1/-1).

• A. Statement is correct, Inference is wrong
• B. Statement is wrong, Inference is correct
• C. Both Statement and Inference are correct
• D. Both Statement and Inference are wrong

Answer 1

The correct option is A Statement is correct, Inference is wrong

Statement is correct but inference is wrong, because the pressure amplitudes do not represent absolute pressure it just gives pressure differences. $-P_0$ cannot be measured what will be measured will be $P_{atmosphere}-P_0$