Home Physics Units, Dimensions and Measurement Dimensions The time dependence of a physical quantity …
Physics Units, Dimensions and Measurement Dimensions MCQ (Single Correct)

The time dependence of a physical quantity is given by , where is a

constant and is time. The constant :

A
Is dimensionless
B
Has dimensions T -2
C
Has dimensions of P
D
Has dimensions T 2

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Text Solution

Verified by Experts
The correct answer is:
B

Since is an exponent therefore it must be dimensionless for which

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