JEE Main 2021PhysicsUnits and DimensionsEasyMCQ

JEE Main 2021Units and Dimensions Question with Solution

JEE Main 2021 (25 Feb Shift 1)

Question

Match List - I with List - II :

  List-I   List-II
a h (Planck's constant) i MLT-1
b E (kinetic energy) ii ML2 T-1
c V (electric potential) iii ML2 T-2
d P (linear momentum) iv ML2I-1 T-3

Choose the correct answer from the options given below:

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Show full solutionCorrect option: A
Correct answer
Aaii,biii,civ,di

Step-by-step explanation

By dimensional analysis.

K.E.=ML2 T-2
P (linear momentum) =MLT-1
h ( planck's constant )=ML2 T-1
V (electric potential )=ML2 T-3I-1

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About this question

This is a previous-year question from JEE Main 2021, 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.