The relationship between a number of decibels 3 and the intensity of a sound I (in watts per square meter) is I B = 10log10 (10-12). -6 The number of decibels for a sound with an intensity of 10 watts per square meter is 60 A sound with ten times that intensity has 70 decibels. In general, a sound with ten times the intensity of a sound with n decibels has Hint: It may help to use the properties of logarithms to rewrite the equation given in this problem. decibels.

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Interference of sound

Seiche

A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.