If the frequency is tripled, what happens to the wavelength?

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Multiple Choice

If the frequency is tripled, what happens to the wavelength?

Explanation:
The wavelength and frequency are inversely related when the wave speed is constant. In ultrasound, speed in tissue stays roughly the same, so increasing frequency lowers the wavelength. Since v = fλ, tripling the frequency makes the new wavelength λ' = v/(3f) = (fλ)/(3f) = λ/3. So the wavelength decreases to about one third of its original value.

The wavelength and frequency are inversely related when the wave speed is constant. In ultrasound, speed in tissue stays roughly the same, so increasing frequency lowers the wavelength. Since v = fλ, tripling the frequency makes the new wavelength λ' = v/(3f) = (fλ)/(3f) = λ/3. So the wavelength decreases to about one third of its original value.

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