Physics And Measurement Question 36

Question: The frequency of vibration of string is given by $ \nu =\frac{p}{2l}{{

[ \frac{F}{m} ]}^{1/2}} $ . Here p is number of segments in the string and l is the length. The dimensional formula for m will be [BHU 2004]

Options:

A) [M0LT1]

B) [ML0T1]

C) [ML1T0]

D) [M0L0T0]

Show Answer

Answer:

Correct Answer: C

Solution:

ν=P2l[Fm]1/2

ν2=P24l2[Fm]mFl2ν2

[m]=[MLT2L2T2]=[ML1T0]



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