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Physics - Unit & Dimension Question with Solution | TestHub

PhysicsUnit & DimensionMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

Force $F = P cos (Ax) + Q Sin (Bt)$ where $x$ and $t$ are displacement and time respectively. Which one of the following physical quantity has the dimensions of $[\frac{B}{A}] ?$

Options:

Answer:

Solution:

$F = P cos (A x) + φ sin (Bt)$ $Bt = no unit$ $A x = no unit$ $[B] = [T^{- 1}]$ $[A] = [L^{- 1}]$ $[\frac{B}{A}] = [L T^{- 1}]$ $↓$ velocity dimensions.

Stream:MHT_CETSubject:PhysicsTopic:Unit & DimensionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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