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Introduction to Sound Waves

The wave leng...

Question

The wave length of a sound wave is 66 m. Calculate the frequency of the wave if the velocity of sound is 330 m/s.

5 Hz

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6 Hz

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8 Hz

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7 Hz

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Solution

The correct option is A 5 Hz
Speed of sound is given as:
$v = f λ$
where:
$f :$ Frequency
$λ :$ Wavelength

$330 = 66 \times f$
$f = 5 H z$

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