NCERT Class 11 Physics MCQ Chapter 12 Kinetic Theory Solutions, AHSEC Class 11 Physics Multiple Choice Question Answer to each chapter is provided in the list so that you can easily browse throughout different chapters NCERT Class 11 Physics MCQ Chapter 12 Kinetic Theory Question Answer and select needs one.
Class 11 Physics MCQ Chapter 12 Kinetic Theory
Also, you can read the SCERT book online in these sections NCERT Class 11 Physics Multiple Choice Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. AHSEC Class 11 Physics MCQ Solutions. These solutions are part of SCERT All Subject Solutions. Here we have given HS 1st Year Physics Objective Type Question Answer for All Subjects, You can practice these here.
Kinetic Theory
Chapter: 12
| PART – ⅠⅠ |
MULTIPLE CHOICE QUESTION ANSWER
1. At low pressures and high temperatures, gases behave as:
(i) Ideal gases.
(ii) Real gases.
(iii) Supercritical fluids.
(iv) Plasma.
Ans: (i) Ideal gases.
2. Which of the following can be the basis of separating a mixture of gases?
(i) Graham’s law of diffusion.
(ii) Avogadro’s law.
(iii) Charle’s law.
(iv) Boyle’s law.
Ans: (i) Graham’s law of diffusion.
3. Who is credited with the introduction of the atomic hypothesis in modern science?
(i) Feynman.
(ii) Avogadro.
(iii) Dalton.
(iv) Maxwell.
Ans: (iii) Dalton.
4. The energy associated with each degree of freedom of a gas molecule is:
(i) Zero.
(ii) 1/2kT.
(iii) kT.
(iv) 3/2kT.
Ans: (ii) 1/2kT.
5. The idea that matter might consist of indivisible constituents was suggested by:
(i) Feynman.
(ii) Newton.
(iii) Kanada.
(iv) Dalton.
Ans: (iii) Kanada.
6. The concept that “matter is made up of atoms” was considered important by which physicist?
(i) Dalton.
(ii) Feynman.
(iii) Maxwell.
(iv) Boltzmann.
Ans: (ii) Feynman.
7. The temperature 0°C is equivalent to how many Kelvin?
(i) 273.15 K.
(ii) 272.15 K.
(iii) 271.15 K.
(iv) 274.15 K.
Ans: (i) 273.15 K.
8. Who proposed that atoms of water are smooth and round, allowing water to flow easily?
(i) Kanada.
(ii) Democritus.
(iii) Dalton.
(iv) Maxwell.
Ans: (ii) Democritus.
9. What is the number of degrees of freedom of an ideal diatomic molecule at ordinary temperature?
(i) 3
(ii) 5
(iii) 7
(iv) 6
Ans: (ii) 5.
10. In gases, the equilibrium is:
(i) Static.
(ii) Dynamic.
(iii) Inactive.
(iv) Unstable.
Ans: (ii) Dynamic.
11. In the equation, PV = RT, V refers to the volume of:
(i) 1 g of a gas.
(ii) 1 mole of a gas.
(iii) 1 kg of gas.
(iv) any amount of gas.
Ans: (ii) 1 mole of a gas.
12. Given that the molecular mass of oxygen (O₂) is 32 u, what is the mass of 1 mole of oxygen gas?
(i) 16 g.
(ii) 32 g.
(iii) 48 g.
(iv) 64 g.
Ans: (ii) 32 g.
13. The mean K.E. of a monatomic gas molecule is:
(i) Zero.
(ii) 3/2kT (kinetic energy).
(iii) All of the above.
(iv) None of the above.
Ans: (ii) 3/2kT (kinetic energy).
14. Which of the following laws states that “the pressure of a given mass of gas varies inversely with its volume at constant temperature”?
(i) Charles’ Law.
(ii) Boyle’s Law.
(iii) Avogadro’s Hypothesis.
(iv) Dalton’s Law.
Ans: (ii) Boyle’s Law.
15. Real gases show mark able deviation from that of ideal gas behaviour at:
(i) High temperature and low pressure.
(ii) Low temperature and high pressure.
(iii) High temperature and high pressure.
(iv) Low temperature and low pressure.
Ans: (ii) Low temperature and high pressure.
