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?

Redhawk

2 years ago

shouldnt v be equal to 2λ/t

Sensei

2 months ago

t = 1/f
take note

Genesis20

10 months ago

how are u supposed to know ur not to use 1/T

Odemosad

1 year ago

From v = f x wavelength
f = v / wavelength = 330/1.65 = 200Hz

Note: T = 1/f = 1/200 = 0.005
Option B