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When sound travels from air into water, does the frequency of the wave change? The speed? The wavelength? Explain your reasoning.
Know the equation: wavelength = v/f.
When sound travels from air into water frequency doesn’t change because it’s directly proportional to the source. Speed changes, because it is directly proportional to medium, and wavelength changes since it is directly proportional to speed and f is constant (wavelength =v/f).