Physics, asked by revagurav93, 7 months ago

the uniform wire of length 50 cm and linear density 3×10-⁴ kg/m is subjected to a tension of 54 N. determine its frequency for 1.the fundamental mode 2.the second harmonic 3.the third harmonic​

Answers

Answered by s13968
1

Answer:f  

1

​  

=  

2l

n

​  

 

μ

T

​  

 

​  

 

f  

2

​  

=  

2l

(n+1)

​  

 

μ

T

​  

 

​  

 

f  

2

​  

−f  

1

​  

=  

2l

1

​  

 

μ

T

​  

 

​  

 

70=  

2l

1

​  

 

0.004

3.6×10  

2

 

​  

 

​  

=  

2l

3×10  

2

 

​  

 

l=  

14

30

​  

=2.14 m

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