A gas mixture consists of 2 moles of O2 and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is

NEET UG 2017 · Physics · Question 2

NEET 2017 Physics, question 2

Question 2 of the NEET 2017 paper (code A) is a Physics question from Kinetic Theory. Its idea, Degrees of Freedom and Internal Energy, was asked 3 times, in 2017, 2021 and 2026, across NEET 2017–2026. The CBSE official answer key gives option 4.

Updated 2026-10-08

Q2 · Physics

\mathrm{O_2}

1 4 RT 2 15 RT 3 9 RT 4 11 RT Official answer

Official answer: option 4 · CBSE official answer key

Same idea

Degrees of Freedom and Internal Energy, in other papers

NEET asked this idea 3 times, in 2017, 2021 and 2026. The other 2 questions below.

2026 Q 45 An ideal gas is made of polyatomic molecules. Each of the molecules has three translational, three rotational and f number of vibrational\dots Numerical \cdot Medium 2021 Q 27 Match Column - I and Column - II and choose the correct match from the given choices. Column - I | Column - II (A) Root mean square speed\dots Match the lists \cdot Easy

Degrees of Freedom and Internal Energy: every question and how it was framed

The chapter

Kinetic Theory in ten years of NEET

14 questions from 2017–2026, asked in 10 of 10 papers, about 1.4 a paper. Kinetic Theory of Gases alone had 14.

Chapter analysis Study this chapter Practise this chapter

Degrees of Freedom and Internal Energy, in other papers

Kinetic Theory in ten years of NEET

Kinetic Theory: questions per paper