Science, asked by srivastavasuyaoyskop, 10 months ago

Two wires whose lengths are in the ratio 3:2, when stretched by equal weights, produce the same note. If the wires are made of different metals and their radii are in the ratio 1:2, then determine the ratio of the densities of the two metals.​

Answers

Answered by gyawalisampanna
0

Answer: R  

1

​  

 

​  

=  

A  

2

​  

 

ρ  

1

​  

L  

2

​  

 

​  

 

A  

1

​  

 

ρ  

1

​  

L  

1

​  

 

​  

 

​  

 

                   =(  

L  

2

​  

 

L  

1

​  

 

​  

)(  

A  

1

​  

 

A  

2

​  

 

​  

)

Given    

L  

2

​  

 

L  

1

​  

 

​  

=  

3

2

​  

 

A  

2

​  

 

A  

1

​  

 

​  

=  

2

3

​  

 

⇒  

R  

2

​  

 

R  

1

​  

 

​  

=  

3

2

​  

×  

3

2

​  

 

   

R  

2

​  

 

R  

1

​  

 

​  

=  

9

4

Explanation:

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