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JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 13 April 2023, Shift 1, Physics Q31

Question 31 of 90 in this shift, Physics question 1 of 30, Section A.

A body of mass

(5 \pm 0.5)

kg is moving with a velocity of

(20 \pm 0.4)

m/s. Its kinetic energy will be

(1) $(1000 \pm 0.14)$ J
(2) $(1000 \pm 140)$ JOfficial answer
(3) $(500 \pm 0.14)$ J
(4) $(500 \pm 140)$ J

Official answer

Option 2

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.