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Saturday, 31 October

JEE Main 2022 · PhysicsMultiple choiceSingle correctMediumMulti-step

JEE Main 30 July 2022, Shift 2, Physics Q1

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

If current (I) , kinetic energy (K) and charge (Q) are taken as the fundamental quantities, The dimensional representation of power will be :
  1. (1)[K−1 Q I−1][\mathrm{K^{-1}\,Q\,I^{-1}}]
  2. (2)[K I Q−1][\mathrm{K\,I\,Q^{-1}}]Official answer
  3. (3)[K Q I−1][\mathrm{K\,Q\,I^{-1}}]
  4. (4)[K−1 Q−1 I][\mathrm{K^{-1}\,Q^{-1}\,I}]

Official answer

Option 2

NTA final key.

Chapter
Mechanical Properties of Fluids
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.