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Physics - Unit & Dimension Question with Solution | TestHub

PhysicsUnit & DimensionMiscellaneousMedium2 minPYQ_2008

PhysicsMediumsingle choice

Assertion: In the relation $f = \frac{1}{2 l} \frac{T}{μ}$ , where symbols have standard meaning, $μ$ represent linear mass density. Reason : The frequency has the dimensions of inverse of time.

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Answer:

Solution:

From, $f = \frac{1}{2 l} \frac{T}{μ}, f^{2} = \frac{T}{4 l ^{2} μ}$ or, $μ = \frac{T}{4 l ^{2} f ^{2}} = \frac{[ MLT ^{- 2} ]}{L ^{2} T ^{- 2}} = \frac{M}{L} = \frac{Mass}{length} = linear mass density.$

Stream:AIIMSSubject:PhysicsTopic:Unit & DimensionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2008

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