Physics - Unit & Dimension Question with Solution | TestHub

PhysicsUnit & DimensionMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

The 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:

$η = \frac{F}{a v} = \frac{[{MLT}^{- 2}]}{[L] [{LT}^{- 1}]} = [{ML}^{- 1} T^{- 1}]$

Stream:NTA_ABHYASSubject:PhysicsTopic:Unit & DimensionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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