NEET Physics: Behaviour of Perfect Gas and Kinetic Theory — Free Practice Set 10 (10 MCQs)

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Behaviour of Perfect Gas and Kinetic Theory. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

0

Easy

10

Medium

0

Hard

Key concepts covered in this specific test include Molecular, Collisions, Molecule, Required, Temperature, and Constant.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. A gas at 1 atm and 273 K has a density of \(1.43 \, \text{kg m}^{-3}\). What is its molecular mass? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\), 1 atm = \(1.01 \times 10^5 \, \text{Pa}\))

A. 28 g/mol
B. 32 g/mol
C. 36 g/mol
D. 40 g/mol

Q2. A gas has a \(C_v\) of \(21.0 \, \text{J mol}^{-1} \text{K}^{-1}\). What is its \(C_p\)? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\))

A. 25.4 J mol⁻¹ K⁻¹
B. 27.1 J mol⁻¹ K⁻¹
C. 29.3 J mol⁻¹ K⁻¹
D. 33.2 J mol⁻¹ K⁻¹

Q3. What is the time between collisions for a gas molecule with a mean free path of \(4.5 \times 10^{-7} \, \text{m}\) and average speed of 450 m/s?

A. \(5.0 \times 10^{-10} \, \text{s}\)
B. \(7.5 \times 10^{-10} \, \text{s}\)
C. \(1.0 \times 10^{-9} \, \text{s}\)
D. \(1.5 \times 10^{-9} \, \text{s}\)

Q4. How much heat is required to raise the temperature of 0.5 moles of neon by 25 K at constant volume? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\))

A. 103.9 J
B. 155.8 J
C. 207.8 J
D. 259.7 J

Q5. How many degrees of freedom does a diatomic molecule have if its vibrational mode is active?

A. 5
B. 6
C. 7
D. 8

+ 5 more questions in the actual test

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Is this practice set completely free?

Yes, all our chapter-wise practice sets are 100% free. You can practice as many times as you want without any hidden charges.

Are these questions relevant for the latest NEET syllabus?

Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

Can I view the solutions after the test?

Yes, once you submit the test, you will get an instant scorecard along with the correct answers and detailed explanations for every question.

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NEET Physics — Behaviour of Perfect Gas and Kinetic Theory

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Preview of Questions in this Test

Q1. A gas at 1 atm and 273 K has a density of \(1.43 \, \text{kg m}^{-3}\). What is its molecular mass? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\), 1 atm = \(1.01 \times 10^5 \, \text{Pa}\))

Q2. A gas has a \(C_v\) of \(21.0 \, \text{J mol}^{-1} \text{K}^{-1}\). What is its \(C_p\)? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\))

Q3. What is the time between collisions for a gas molecule with a mean free path of \(4.5 \times 10^{-7} \, \text{m}\) and average speed of 450 m/s?

Q4. How much heat is required to raise the temperature of 0.5 moles of neon by 25 K at constant volume? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\))

Q5. How many degrees of freedom does a diatomic molecule have if its vibrational mode is active?

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Are these questions relevant for the latest NEET syllabus?

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NEET Physics: Behaviour of Perfect Gas and Kinetic Theory — MCQ Test 10

Q6. What is the average translational kinetic energy of a neon atom at 800 K? (\(k_B = 1.38 \times 10^{-23} \, \text{J K}^{-1}\))

Q7. What is the collision frequency of a gas molecule if its mean free path is \(2 \times 10^{-7} \, \text{m}\) and average speed is 500 m/s?

Q8. A gas mixture has equal masses of neon and nitrogen at 300 K. What is the ratio of their rms speeds? (Atomic mass: Ne = 20.2 u, \(N_2 = 28 \, \text{u}\))

Q9. A gas occupies 33.6 litres at STP. How many molecules are present? (\(N_A = 6.02 \times 10^{23} \, \text{mol}^{-1}\), molar volume at STP = 22.4 litres)

Q10. A vessel contains 1 mole of a diatomic gas at 300 K. What is its total internal energy if vibrational modes are not excited? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\))

NEET Physics — Behaviour of Perfect Gas and Kinetic Theory

Accelerate Your NEET Preparation

Question Bank

Practice Tests

NEET PYQs

AI Analytics

About this NEET MCQ Test

Preview of Questions in this Test

Q1. A gas at 1 atm and 273 K has a density of \(1.43 \, \text{kg m}^{-3}\). What is its molecular mass? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\), 1 atm = \(1.01 \times 10^5 \, \text{Pa}\))

Q2. A gas has a \(C_v\) of \(21.0 \, \text{J mol}^{-1} \text{K}^{-1}\). What is its \(C_p\)? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\))

Q3. What is the time between collisions for a gas molecule with a mean free path of \(4.5 \times 10^{-7} \, \text{m}\) and average speed of 450 m/s?

Q4. How much heat is required to raise the temperature of 0.5 moles of neon by 25 K at constant volume? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\))

Q5. How many degrees of freedom does a diatomic molecule have if its vibrational mode is active?

Frequently Asked Questions

Is this practice set completely free?

Are these questions relevant for the latest NEET syllabus?

Can I view the solutions after the test?

About TopperSquare

More Physics Chapters for NEET

Explore More NEET Subjects

Everything you need to crack NEET