question_answer

A progressive sound wave of frequency 500 Hz is travelling through air with a speed of \[350m{{s}^{-1}}\]. A compression maximum appears at a place at a given instant. The minimum time interval after which the rare fraction maximum occurs at the same point, is

A)  \[200s\]

B)  \[\frac{1}{250}s\]

C) \[\frac{1}{500}s\]

D) \[\frac{1}{1000}s\]