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Aleksandr [31]
3 years ago
14

Assume a change at the source of sound reduces the wavelength of a sound wave in air by a factor of 3.

Physics
1 answer:
noname [10]3 years ago
8 0

Explanation:

The speed of a wave is given by :

v=f\lambda ......(1)

(i) Here, the wavelength of a sound wave in air reduces by a factor of 3. Equation (1) becomes :

\lambda=\dfrac{v}{f}

Wavelength and frequency are inversely proportional to each other. So, if wavelength of a sound wave in air reduces by a factor of 3, then the frequency will increases by a factor of 3.

(ii) It remains the same.

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