JEE Main 2024 · PhysicsMultiple choiceSingle correctMediumApplication

JEE Main 6 April 2024, Shift 2, Physics Q41

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

Energy of 10 non rigid diatomic molecules at temperature

T

is :

(1) $35\,RT$
(2) $70\,K_BT$
(3) $\frac{7}{2}RT$
(4) $35\,K_BT$ Official answer

Official answer

Option 4

NTA final key.

Chapter: Kinetic Theory
Topic: Kinetic Theory of Gases
Idea tested: Vibrational Degrees of Freedom

Same idea in other shifts

Asked 2× in all

9 Jan 2020, Shift 1 · Q8Consider two ideal diatomic gases A and B at some temperature T. Molecules of the gas A are rigid, and have a mass m. Molecules of the gas…EasySingle correct

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.