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The displacement time graph for two soun...


The displacement time graph for two sound waves A and B are shown in the figure. Then the ratio of their intensities `I_(A)//I_(B)` is equal to

A

`1:4`

B

`1:16`

C

`1:2`

D

`1:1`

Text Solution

Verified by Experts

The correct Answer is:
D
Intensity `=a^2omega^2`
Here `(a_A)/(a_B)=(2)/(1)` and `(omega_A)/(omega_B)=(1)/(2)implies(l_A)/(l_B)=((2)/(1))^2xx((1)/(2))^2=(1)/(1)`
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