Question

Two tuning forks have frequencies of 239 Hz and 246 Hz. If the forks are vibrating at the same time what is the beat frequency?

Answer 1

Answer on Question #47924 – Physics - Mechanics | Kinematics | Dynamics

Two tuning forks have frequencies of 239 Hz and 246 Hz. If the forks are vibrating at the same time what is the beat frequency?

Solution:

$f_{1} = 239\, \text{Hz} - \text{frequency of the first fork};$

$f_{2} = 246\, \text{Hz} - \text{frequency of the second fork};$

$f - \text{beat frequency};$

Beat frequency is equal to the difference between two frequencies: $f = (246\, \text{Hz} - 239\, \text{Hz}) = 7\, \text{Hz}$

Answer: $7\, \text{Hz}$

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