Physics - Unit & Dimension Question with Solution | TestHub

PhysicsUnit & DimensionMiscellaneousEasy2 minQB

PhysicsEasysingle choice

The viscous force $F$ on a sphere of radius $a$ moving in a medium with velocity $v$ is given by $F = 6 π η a v$ . The dimensions of $η$ are

Answer:

Solution:

$[η] = [\frac{F}{a v}]$
$= \frac{[ M L T ^{- 2} ]}{[ L ] [ L T ^{- 1} ]}$
$= [M L^{- 1} T^{- 1}]$ .

Stream:JEESubject:PhysicsTopic:Unit & DimensionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: QB

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