Question

The fundamental frequency ??of a sonometer wire increase by 6 Hz, if the tension is increased by 44% keeping the length constant, find the change in funadamental frequency of the sonometer wire when the length of the wire is increased by 20% by adjusting bridge, keeping the original tension in the wire.

Answer 1

Hey mate ^_^

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Answer:
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Answer 2

hey mate here your answer ☺
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Given :

fundamental frequency
________
f=1/2l√i/m

length of the wire

f¹/f. =(t¹/t)½

hence
f¢= f+6

t¢=t+0.44t

so ,
______________
(f+6)/f = √ 1.44t/t

f=30 Hertz




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