Physics-
General
Easy
Question
The displacement-time graphs for two sound waves A and B are shown in the figure, then the ratio of their intensities 
is equal to
- 1 : 4
- 1 : 16
- 1 : 2
- 1 : 1
The correct answer is: 1 : 1
Intensity µ
here 
and 
Þ 
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