Questions
A point source emits sound equally in all directions in a non-absorbing medium. Two points P and Q are at distances of 2m and 3m respectively from the source. The ratio of the intensities of the waves at P and Q is
detailed solution
Correct option is A
Intensity ∝1(Distance)2⇒I1I2=d2d12=322=94Talk to our academic expert!
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Two loud speakers are being compared, and one is perceived to be 32 times louder than the other. What will be the difference in intensity levels between the two when measured in decibels?
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