i need some help on this problem:(adsbygoogle = window.adsbygoogle || []).push({});

A sonar signal of frequency 1.00x10^6 Hz has a wavelength of 1.50mm in water.

a) What is its period in the water?

b)What is its period in the air?

Can someone guide me through the steps in order to arrive to the solution or explain to me how to solve this? Thanx

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# What is its period in the water?

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