Physics And Measurement Question 263

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

Options:

A) −32,12,1

B) −1,−2,3

C) 12,32,12

D) 1,2,13

Show Answer

Answer:

Correct Answer: A

Solution:

[a] T=[ML−1T−2]a[L−3M]b[MT−2]c

⇒b+a+c=0,−a−3b=0,−2a−2c=1

⇒a=−32,b=12,c=1

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