Question

if the intensities of two sound wave are in the ratio of 9:2what is their amplitude in ratio​

Answer 1

Answer: 2 : 3

Explanation: Correct option is

C

2:3

Ratio of intensities of two waves is  

I  

2

​

 

I  

1

​

 

​

=  

A  

2

2

​

 

A  

1

2

​

 

​

=  

9

4

​

⇒  

A  

2

​

 

A  

1

​

 

​

=  

3

2

​

 

Thus the ratio of their amplitudes is  

3

2

​

.

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