First slide

Introduction to waves

Question

A tuning fork makes 256 vibrations per second in air. When the velocity of sound is 330 m/s, then wavelength of the tone emitted is

Easy

A

0.56 m
B

0.89 m
C

1.11 m
D

1.29 m

Solution

$v = nλ \Rightarrow λ = \frac{v}{n} = \frac{330}{256} = 1 .29 m$

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