Physics · 2021
JEE Main · 25 July 2021, Shift 2 · Q1
The force is given in terms of time t and displacement x by the equation F = A cos B x+ C sin D t The dimensional formula of AD/B is:
The force is given in terms of time $\displaystyle t$ and displacement $\displaystyle x$ by the equation
$$\mathrm{F}=\mathrm{A} \cos \mathrm{~B} x+\mathrm{C} \sin \mathrm{D} t
$$
The dimensional formula of $\displaystyle \frac{\mathrm{AD}}{\mathrm{B}}$ is :
Official answer
(4)
$\displaystyle \left[\mathrm{M} \mathrm{~L}^2 \mathrm{~T}^{-3}\right]$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.