JEE Main 2020PhysicsUnits and DimensionsMediumMCQ

JEE Main 2020Units and Dimensions Question with Solution

JEE Main 2020 (04 Sep Shift 2)

Question

A quantity x is given by (1Fv2/WL4 ) in terms of moment of inertia I, force F, velocity v, work W and length L. The dimensional formula for x is same as that of :

Choose an option

Show full solutionCorrect option: C
Correct answer
Cenergy density

Step-by-step explanation

IFv2WL4=M1L2M+L1T-2L1T-22M1L2T-2L4=M1L-2T-2L3=M4L-1T-2= Energy density  

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About this question

This is a previous-year question from JEE Main 2020, covering the Units and Dimensions chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.