Questions
If the tension and diameter of a sonometer wire of fundamental frequency n are doubled and density is halved then its fundamental frequency will become
detailed solution
Correct option is C
n=12lTπr2ρ∝Tr2ρ⇒n1n2=T1T2 r2r12ρ2ρ1=12 21212=1∴n1=n2Talk to our academic expert!
Similar Questions
A wire having a linear density of 5 g/m is stretched between two rigid supports with a tension of 450 N. It is observed that the wire resonates at a frequency of 420 Hz. The next highest frequency at which the same wire resonates is 490 Hz. Find the length of the wire. (in m)
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