Respuesta :
when a wave moves into a more dense medium, the wavelength shortens so therefore the wave speed lowers.
Based on the properties of waves, the wave speed increases as it moves from a medium of low density to one of high density.
How does density of a medium affect the properties of a wave?
The velocity and wavelength of a wave decreases with increase in density of a medium. However, the frequency is unaffected.
On the other hand, the velocity and wavelength of a wave increases with decrease in density of a medium.
Therefore, the wave speed increases as it moves from a medium of low density to one of high density.
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