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Questions  

The frequency of vibration of string is given by ϑ=n2lFλ1/2 , here p is number of segments in the string, l is the length and F is the tension in the string. The dimensional formula for λ will be

a
M0LT−1
b
ML0T−1
c
ML−1T0
d
M0L0T0

detailed solution

Correct option is C

v=P2lFm1/2 ⇒v2=P24l2Fm ∴m∝Fl2v2⇒[m]=MLT−2L2T−2=ML−1T0

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