QJEEM22Ph0b30: JEE Main 2022 Physics - Class 11 JEEM22Ph0b30 Solution: Given below are two statements : One is labelled as Assertion A …

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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 = ${{Force} \over {Velocity\,gradient}}$

Choose the correct answer from the options given below :

Accepted Answer

[Pressure][Time] = $\left[ {{{Force} \over {Area}}} \right]$ $\left[ {{{distance} \over {Area}}} \right]$

[Coefficient of viscosity] = $\left[ {{{Force} \over {Area}}} \right]$ $\left[ {{{distance} \over {Area}}} \right]$

Statement 'A' is true

But Statement 'R' is false are coefficient of viscosity

$= {{Force} \over {Area \times Velocity\,gradient}}$

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