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We have assembled the NCERT Class 11 Physics MCQ Questions of Kinetic Theory with Answer. It's covering the whole syllabus. Practice MCQ Questions for Class 11 Physics with Answers consistently and score well in tests. Allude to the Kinetic Theory Class 11 Multiple Choice Questions with Answers here alongside a definite clarification.
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Practice MCQ Questions for class 11 Physics Chapter-Wise
1. Real gases show markable deviation from that of ideal gas behavior at
(a) High temperature and low pressure
(b) Low temperature and high pressure
(c) High temperature and high pressure
(d) Low temperature and low pressure
2. A room temperature the r.m.s. velocity of the molecules of a certain diatomic gas is found to be 1930 m/sec. the gas is
(a) H2
(b) F2
(c) O2
(d) Cl2
3. Moon has no atmosphere because
(a) It is far away form the surface of the earth
(b) Its surface temperature is 10°C
(c) The r.m.s. velocity of all the gas molecules is more then the escape velocity of the moons surface
(d) The escape velocity of the moons surface is more than the r.m.s velocity of all molecules
4. Latent heat of ice is
(a) 336 kJ kg −1
(b) 663 kJ kg −1
(c) 363 kJ kg −1
(d) 636 kJ kg −1
5. Energy supplied to convert unit mass of substance from solid to liquid state at its melting point is called
(a) Latent heat of fusion
(b) Evaporation
(c) Solidification
(d) Latent heat of fission
6. An ideal gas is that which can
(a) Be solidified
(b) Liquefied
(c) Not be liquefied
(d) Not be solidified
7. One mole of an ideal gas requires 207 J heat to raise the temperature by 10 K, when heated at constant pressure. If the same gas is heated at constant volume to raise the temperature by 10K, then heat required is
(a) 96.6 J
(b) 124 J
(c) 198.8 J
(d) 215.4 J
8. When 20 cal of heat is supplied to a system, the increase in internal energy is 50 J. If the external work done is 35 J, the mechanical equivalent of heat is:
(a) 4.25 J/cal
(b) 1.26 J/cal
(c) 4.92 J/cal
(d) 2.1 J/cal
9. Average kinetic energy of molecules is
(a) Directly proportional to square root of temperature
(b) Directly proportional to absolute temperature
(c) Independent of absolute temperature
(d) Inversely proportional to absolute temperature
10. Following gases are kept at the same temperature. Which gas possesses maximum r.m.s. speed?
(a) Oxygen
(b) Nitrogen
(c) Hydrogen
(d) Carbon dioxide
11. According to kinetic theory of gases, at absolute zero of temperature
(a) Water freezes
(b) Liquid helium freezes
(c) Molecular motion stops
(d) Liquid hydrogen freezes
12. Kinetic theory of gases provide a base for
(a) Both Charle’s law and Boyle’s law
(b) None of these
(c) Boyle’s law
(d) Charle’s law
13. According to the kinetic theory of gases, the pressure exerted by a gas on the wall of the container is measured as
(a) rate of change of momentum imparted to the walls per second per unit area
(b) momentum imparted to the walls per unit area
(c) change of momentum imparted to the walls per unit area
(d) change in momentum per unit volume
14. When a gas is in thermal equilibrium, its molecules
(a) have the same average kinetic energy of molecules
(b) have different energies which remain constant
(c) have a certain constant energy
(d) do not collide with one another
15. Molecules of a ideal gas behave like
(a) perfectly elastic rigid sphere
(b) inelastic non-rigid sphere
(c) perfectly elastic non-rigid sphere
(d) inelastic rigid sphere
16. In kinetic theory of gases, it is assumed that molecules
(a) have same mass but negligible volume
(b) have different mass as well as volume
(c) have same volume but mass can be different
(d) have same mass but can have different volume.
17. The internal energy of a gram-molecule of an ideal gas depends on
(a) pressure alone
(b) volume alone
(c) temperature alone
(d) both on pressure as well as temperature
18. The phenomenon of Browninan movement may be taken as evidence of
(a) kinetic theory of matter
(b) electromagnetic theory of radiation
(c) corpuscular theory of light
(d) photoelectric phenomenon
19. At a given temperature the force between molecules of a gas as a function of intermolecular distance is
(a) first decreases and then increases
(b) always increases
(c) always decreases
(d) photoelectric phenomenon
20. For Boyle’s law to hold, the gas should be
(a) perfect and of constant mass and temperature
(b) real and of constant mass and temperature
(c) perfect and constant temperature but variable mass
(d) real and constant temperature but variable mass
21. Boyle' law is applicable for an
(a) isothermal process
(b) isochoric process
(c) adiabatic process
(d) isobaric process
22. The deviation of gases from the behaviour of ideal gas is due to
(a) attraction of molecules
(b) absolute scale of temp
(c) covalent bonding of molecules
(d) colourless molecules
23. Kinetic energy of a gas molecule depends on:
(a) Pressure
(b) Volume
(c) Temperature
(d) All the above
24. Cooking gas containers are kept in a lorry moving with uniform speed. The temperature of the gas molecules inside wil
(a) remains the same
(b) Volume
(c) Temperature
(d) All the above
25. A diatomic molecule has how many degrees of freedom
(a) 3
(b) 4
(c) 5
(d) 6