A sound wave travels at a speed of 340m/s. If its wavelength is 2 cm, what is the frequency of the wave? Will it be in the audible range?
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Answered by
6
Answer:
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Explanation:
It is given that,
Velocity of sound, v = 340 m/s
Wavelength, λ = 1.4 m
Frequency, ν =?
We know that, speed = wavelength × frequency
⟹ 340 = 1.4 x ν
⟹ ν = 340/1.4 = 242.86 Hz
As the audible range is between 20 Hz – 20,000 Hz
Here, 242.86 Hz < 20,000 Hz
Therefore it is in the audible range.
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Answered by
2
Explanation:
frequency=speed/wavelength
=340/(2/100)
=340×100/2
=340×50
=17000
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