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Physics-

General

Easy

Question

The time dependence of a physical quantity P is found to be of the form P = $P subscript 0 end subscript e to the power of negative alpha t to the power of 2 end exponent end exponent$ where t is time and  is some constant. Then the constant  will -

be dimensionless
have dimensions of T^–2
have dimension of P
have dimensions of P multiplied by T^–2

The correct answer is: have dimensions of T^–2

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