First slide

Introduction to waves

Question

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

Easy

A

1.7 cm
B

6.8 cm
C

1.7 m
D

6.8 m

Solution

$λ = \frac{v}{n} = \frac{340}{200} = 1 .7 m$

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