Question

the original tension in the string of the frequency of a sonometer wire is doubled when the tension is increased by 12kgwt is
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Answer 1

Answer:

I did not no answer

Explanation:

please ask others

Answer 2

Answer:

Explanation: n=12lTπr2ρ−−−−−√∝Tr2ρ−−−−√                    Þn1n2=(T1T2)(r2r1)2(ρ2ρ1)−−−−−−−−−−−−−−−−−√=(12)(21)2(12)−−−−−−−−−−−−−−−√=1            \ n1=n2