Physics aqa question

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Chloe Chan
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Sound waves cross a boundary between two media x and y. The frequency of the waves in x is 400hz. The speed of the waves in x is 330 m/s and the speed of the waves in y is 1320 m/s. What are the correct frequency and wavelength in y?
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emran44
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400Hz
3.3 m

frequency in a wave doesnt change when going into different medias. If frequency doesnt change and you have the speed then wave length = 1320/400 = 3.3m
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