Physics And Measurement Question 80

Question: The period of a body under SHM i.e. presented by T=PaDbSc ; where P is pressure, D is density and S is surface tension. The value of a,b and c are

[CPMT 1981]

Options:

A) 32,12,1

B) 1,2,3

C) 12,32,12

D) 1,2,13

Show Answer

Answer:

Correct Answer: A

Solution:

By substituting the dimension of each quantity we get

T=[ML1T2]a[L3M]b[MT2]c

By solving we get a = - 3/2, b = 1/2 and c = 1



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