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Whaen sound wavestravelling in air enter ainto the water the quatity which remains unchanged A . wavelenght B. velocity ​​​​​​ C . frequency D. None of these Explain. ​​​​​

Answer» Whaen sound wavestravelling in air enter ainto the water the quatity which remains unchanged

A . wavelenght B. velocity
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C . frequency D. None of these

Explain.
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