JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 9 April 2024, Shift 2, Physics Q41

Question 41 of 90 in this shift, Physics question 11 of 30, Section A.

The temperature of a gas is

-78^\circ

C and the average translational kinetic energy of its molecules is K. The temperature at which the average translational kinetic energy of the molecules of the same gas becomes

2

K is :

(1) $117^\circ C$ Official answer
(2) $127^\circ C$
(3) $-78^\circ C$
(4) $-39^\circ C$

Official answer

Option 1

NTA final key.

Chapter: Kinetic Theory
Topic: Kinetic Theory of Gases
Idea tested: Kinetic Energy and Temp

Same idea in other shifts

Asked 11× in all

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25 Feb 2021, Shift 1 · Q21A monoatomic gas of mass 4.0 u is kept in an insulated container. Container is moving with velocity 30 m/s. If container is suddenly…MediumNumerical value

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.