Given below are two statements: One is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$ : Product of Pressure $(P)$ and time $(t)$ has the same dimension as that of coefficient of viscosity.
Reason $R$ : Coefficient of viscosity $=\frac{\text { Force }}{\text { Velocity gradient }}$
Question : Choose the correct answer from the options given below 

  • [JEE MAIN 2022]
  • A
    Both $A$ and $R$ true, and $R$ is correct explanation of $A$
  • B
    Both $A$ and $R$ are true but $R$ is $NOT$ the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.

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  • [JEE MAIN 2022]

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Match List $I$ with List $II$
List $I$ List $II$
$(A)$ Young's Modulus $(Y)$ $(I)$ $\left[ M L ^{-1} T ^{-1}\right]$
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Choose the correct answer from the options given below:

  • [JEE MAIN 2023]

Which one of the following does not have the same dimensions