If the amplitude of a wave increases by a factor of 4, how is the intensity changed?
2 answers:
The intensity increases 16 times.
The relationship between intensity and amplitude is given below:
<span> I = constant
Since, A becomes 4 times, A' = 4A</span><span>
Thus the intensity becomes, I' = constant </span>× (<span>4A)</span>²<span>
</span>⇒<span> I' = 16A</span>²
Therefore, the intensity of the wave is increased by 16 times
The relationship between intensity and amplitude is given below:
<span> I = constant
Since, A becomes 4 times, A' = 4A</span><span>
Thus the intensity becomes, I' = constant </span>× (<span>4A)</span>²<span>
</span>⇒<span> I' = 16A</span>²
Therefore, the intensity of the wave is increased by 16 times
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