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Q.

What is the relationship between sound wave speed, frequency, and wavelength?


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a

Speed (v) = Wavelength (λ) x Frequency (f)

b

Speed (v) = Wavelength (λ)/Frequency (f)

c

Wavelength (λ) = Speed (v) x Frequency (f)

d

Frequency (f) = Speed (v) x Wavelength (λ) 

answer is A.

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Detailed Solution

The distance travelled by a wave per unit of time is defined as its wave speed (v). If we consider that the wave travels one wavelength in one period
ν=λ/T
we know that T = 1/f, we can write the above equation as
ν = f λ
The wave speed is equal to the product of its frequency and wavelength, implying the frequency-wavelength relationship.
 
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What is the relationship between sound wave speed, frequency, and wavelength?