change in intensity of sound wave.
Classical Mechanics
Level
4
the pressure amplitude in a sound wave is tripled and frequency halved, the intensity of the sound is increased by a factor of
The answer is 2.25.
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1 solution
Very Simple.......Intensity is nothing but Power incident per area....
so Intensity is directly proportional to (frequency)squared ... and is also proportional to (pressure amplitude) squared
=>9/4 =>2.25 :)