Physics for IGCSE & O level - Waves And Sounds (Section 5 - No. 33)
How does the wavelength change when the frequency increases, assuming the speed of the wave remains constant?
The wavelength increases.
The wavelength decreases.
The wavelength remains constant.
The wavelength becomes zero.
Explanation
If the speed is constant, and the frequency increases, the wavelength must decrease (Speed = Frequency x Wavelength).
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