A source of sound produces waves in air of wavelength 1.65m. If the speed of sound in air is 330ms‾¹, the period of vibration in air is?

A. 200
B. 0.005
C. 0.5
D. 0.02

Correct Answer:

Option B = 0.005

Explanation

V = λ/T
: v = 330ms−1
λ = 1.65m
T = ?

330 = 1.65/T

T = 1.65/330 = 0.005s