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Question

Question: The time dependence of a physical quantity P is found to be of the form P = \(P_{0}e^{- \alpha t^{2}...

The time dependence of a physical quantity P is found to be of the form P = P0eαt2P_{0}e^{- \alpha t^{2}} where t is time and a is some constant. Then the constant a will –

A

(a) Be dimensionless

A

(b) Have dimensions of T–2

A

(c) Have dimension of P

A

(d) Have dimensions of P multiplied by T–2

Explanation

Solution

(b)

Sol. at2 is dimensionless