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 

  • ABoth $A$ and $R$ true, and $R$ is correct explanation of $A$
  • BBoth $A$ 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.
JEE MAIN 2022, Medium
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