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A wave travels at a constant speed. How does the wavelength change if the frequency is reduced by a factor of 3 ? A.The wavelength increases by a factor of 3. B.The wavelength d…

A wave travels at a constant speed. How does the wavelength change if the frequency is reduced by a factor of 3 ? A.The wavelength increases by a factor of 3. B.The wavelength d…
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A wave travels at a constant speed. How does the wavelength change if the frequency is reduced by a factor of 3 ?

A.The wavelength increases by a factor of 3.
B.The wavelength decreases by a factor of 3.
C.The wavelength increases by a factor of 9.
D.The wavelength does not change.

asked
User Enet
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2 Answers

5 votes

Answer: A. The wavelength increases by a factor of 3.

Step-by-step explanation:

answered
User Angs
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8.5k points
5 votes
Speed (v) = wavelength (λ) x frequency (f)

If speed is constant and frequency is reduced by factor of 3, you will need to increase wavelength by the same factor so that your changes reduce out.

Answer is A.
answered
User FSCKur
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8.4k points
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