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Questions  

The frequency (n) of vibration of a string is given as n=12lTm, where T is tension and l is the length of vibrating string, then the dimensional formula of m is

a
M0L1T1
b
M0L0T0
c
M1L−1T0
d
M1L0T0

detailed solution

Correct option is C

n=12lTm⇒n2=14l2Tm⇒m=T4l2n2=MLT−2L2×T−2=M1L−1T0

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