Questions
The tension of a stretched string is increased by 69%. In order to keep its frequency of vibration constant, its length must be increased by
detailed solution
Correct option is B
n∝Tl⇒l∝T (As n = constant)⇒l2l1=T2T1=l1169100⇒l2=1.3l1=l1+30% of l1Talk 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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