Question

The frequency of a rod is 200 Hz. If the velocity of sound in air is $340ms^{- 1}$, the wavelength of the sound produced is

• A. 1.7 cm
• B. 6.8 cm
• C. 1.7 m
• D. 6.8 m

Answer 1

Answer: (C)

1.7 m

Answer 2

$\lambda = \frac{v}{n} = \frac{340}{200} = 1.7m$