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Saturday, 31 October

JEE Main 2023 · PhysicsMultiple choiceMatch the listEasyRecall

JEE Main 10 April 2023, Shift 1, Physics Q32

Question 32 of 90 in this shift, Physics question 2 of 30, Section A.

Match List I with List II : List I List II (A) 3 Translational degrees of freedom (I) Monoatomic gases (B) 3 Translational, 2 rotational degrees of freedoms (II) Polyatomic gases (C) 3 Translational, 2 rotational and 1 vibrational degrees of freedom (III) Rigid diatomic gases (D) 3 Translational, 3 rotational and more than one vibrational degrees of freedom (IV) Nonrigid diatomic gases Choose the correct answer from the options given below :
  1. (1)(A)-(I), (B)-(IV), (C)-(III), (D)-(II)
  2. (2)(A)-(I), (B)-(III), (C)-(IV), (D)-(II)Official answer
  3. (3)(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
  4. (4)(A)-(IV), (B)-(II), (C)-(I), (D)-(III)

Official answer

Option 2

NTA final key.

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

Same idea in other shifts

Asked 4× in all
  1. 4 Apr 2024, Shift 2 · Q40The translational degrees of freedom (ftf_t) and rotational degrees of freedom (frf_r) of CH4CH_4 molecule are:EasySingle correct
  2. 27 Jul 2022, Shift 2 · Q39Which statements are correct about degrees of freedom ? (A) A molecule with n degrees of freedom has n2^2 different ways of storing…MediumOther
  3. 28 Jun 2022, Shift 1 · Q58The total internal energy of two mole monoatomic ideal gas at temperature T = 300 K will be ___________ J. (Given R = 8.31 J/mol.K)EasyNumerical 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.