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The velocity of a body moving in viscous medium is given by $V = \frac{A}{B} [1 - e^{- t / B}]$ where $t$ is time, $A$ and $B$ are constants. Then the dimensional formula of A is

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detailed solution

Correct option is B

-tB=constant B=[T] AB=velocity=LT-1 A=LT-1T=L

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The velocity of a body moving in viscous medium is given by V=AB[1−e−t/B] where t is time, A and B are constants. Then the dimensional formula of A is

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The velocity of a body moving in viscous medium is given by $V = \frac{A}{B} [1 - e^{- t / B}]$ where $t$ is time, $A$ and $B$ are constants. Then the dimensional formula of A is