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Saturday, 31 October

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JEE Main 2021 · PhysicsMultiple choiceSingle correctMediumApplication

JEE Main 31 August 2021, Shift 2, Physics Q1

Question 1 of 90 in this shift, Physics question 1 of 30, Section A.

If velocity

[V]

time

[T]

and force

[F]

are chosen as the base quantities, the dimensions of the mass will be :

(1) $[FT^{-1}V^{-1}]$
(2) $[FVT^{-1}]$
(3) $[FT^{2}V]$
(4) $[FTV^{-1}]$ Official answer

Official answer

Option 4

NTA final key.

Chapter: Units and Measurements
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.