A progressive sound wave of frequency 500 Hz is travelling through air with a speed of 350 m/z. If a compression appears at a place at a instant, hten the minimum time interval after which the rarefaction occurs at the same point will be

Options

A. 250s
B. `(1)/(250)s`
C. `(1)/(500)s`
D. `(1)/(1000)s`

Answer

D

Explanation

The time interval between compression and rarefaction is half of the period is
`T_(1) = (T)/(2) = (1)/(2 xx 500) = (1)/(1000) s`