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Saturday, 31 October

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JEE Main 2020 · PhysicsMultiple choiceSingle correctEasyConceptual

JEE Main 3 September 2020, Shift 2, Physics Q1

Question 1 of 75 in this shift, Physics question 1 of 25.

Amount of solar energy received on the earth's surface per unit area per unit time is defined a solar constant. Dimension of solar constant is :

(1) $\mathrm{ML^2T^{-2}}$
(2) $\mathrm{M^2L^0T^{-1}}$
(3) $\mathrm{ML^0T^{-3}}$ Official answer
(4) $\mathrm{MLT^{-2}}$

Official answer

Option 3

NTA final key (Sep 2020).

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.