This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In which state do the particles have the strongest attractive force amongst them. A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: A) Solid. 2. Gases have a(n) ..... shape. A) Definite. B) Indefinite. C) All the above. D) None of the above. Show Answer Correct Answer: B) Indefinite. 3. Which of the following is true when particles gain thermal energy? A) Particles move more slowly. B) Particles move closer together. C) Particles stop moving. D) Particles move further apart. Show Answer Correct Answer: D) Particles move further apart. 4. Brownian motion is the random and irregular motion of ..... molecules. A) Gas and liquid. B) Solid and liquid. C) Solid and gas. D) Solid, gas and liquid. Show Answer Correct Answer: A) Gas and liquid. 5. For a gas, which pair of variables are inversely proportional to each other (if all other conditions remain constant)? A) P, T. B) P, V. C) V, T. D) N, P. Show Answer Correct Answer: B) P, V. 6. The movement of gas molecules is greatly affected by ..... A) Temperature of the container. B) Size of the container. C) All the above. D) None of the above. Show Answer Correct Answer: A) Temperature of the container. 7. If the volume of a gas is decreased while the temperature remains constant, what will happen to the pressure? A) It will explode. B) Increase. C) Decrease. D) Stay the same. Show Answer Correct Answer: B) Increase. 8. How does the kinetic theory explain the process of evaporation in liquids? A) Particles gain energy and move to the surface, escaping into the air. B) Particles lose energy and sink to the bottom. C) Particles form a solid layer on the surface. D) Particles remain stationary and do not change state. Show Answer Correct Answer: A) Particles gain energy and move to the surface, escaping into the air. 9. How does temperature affect the kinetic energy of particles? A) Temperature directly affects the kinetic energy of particles; higher temperature means higher kinetic energy. B) Temperature has no effect on kinetic energy. C) Kinetic energy is independent of temperature. D) Lower temperature increases kinetic energy. Show Answer Correct Answer: A) Temperature directly affects the kinetic energy of particles; higher temperature means higher kinetic energy. 10. The temperature of a gas is doubled (i) on absolute scale (ii) on centrigrade scale. The increase in root mean square velocity of gas will be A) More in case (i). B) More in case (ii). C) Same in both case. D) Information not sufficient. Show Answer Correct Answer: A) More in case (i). 11. Which below best describes condensation A) Solid to liquid. B) Liquid to gas. C) Vapour to liquid. D) Gas to solid. Show Answer Correct Answer: C) Vapour to liquid. 12. The corrected gas equation for real gases is given by A) $\left(p+\frac{a}{V^2}\right)\left(V+b\right)=RT$. B) $\left(p-\frac{a}{V^2}\right)\left(V+b\right)=RT$. C) $\left(p+\frac{a}{V^2}\right)\left(V-b\right)=RT$. D) $\left(p-\frac{a}{V^2}\right)\left(V-b\right)=RT$. Show Answer Correct Answer: C) $\left(p+\frac{a}{V^2}\right)\left(V-b\right)=RT$. 13. Which of the following statements describes a liquid? A) It has a fixed volume. B) It becomes the volume of it's container. C) All the above. D) None of the above. Show Answer Correct Answer: A) It has a fixed volume. 14. Temperature is a measure of particle ..... A) Kinetic energy. B) Size. C) Colour. D) Electrostatic force. Show Answer Correct Answer: A) Kinetic energy. 15. Describe an ideal gas. A) An ideal gas is a gas that can be liquefied at room temperature and pressure. B) An ideal gas is a gas that exists only in solid form under extreme conditions. C) An ideal gas is a gas that has a high density and strong intermolecular forces. D) An ideal gas is a theoretical gas that perfectly follows the ideal gas law, with no intermolecular forces and negligible volume. Show Answer Correct Answer: D) An ideal gas is a theoretical gas that perfectly follows the ideal gas law, with no intermolecular forces and negligible volume. 16. Solids and liquids are difficult to compress, but gases are easy to compress. This is because gas molecules, compared to solid and liquid molecules ..... A) Are moving very rapidly. B) Are arranged in a random order in space. C) Are spaced far apart. D) Are very numerous. Show Answer Correct Answer: C) Are spaced far apart. 17. Formula to calculate pressure A) P = F + A. B) P = F-A. C) P = F A. D) P = F / A. Show Answer Correct Answer: D) P = F / A. 18. Define an adiabatic process. A) An adiabatic process requires a heat source to function. B) An adiabatic process is one in which no heat is transferred to or from the system. C) An adiabatic process occurs at constant pressure. D) An adiabatic process involves the transfer of heat to the system. Show Answer Correct Answer: B) An adiabatic process is one in which no heat is transferred to or from the system. 19. Between ice, water and steam, which has a definite shape? A) Ice. B) Water. C) Steam. D) None of the above. Show Answer Correct Answer: A) Ice. 20. Determine the Kelvin temperature required for 0.0470 mol of gas to fill a balloon to 1.20 L under .998 atm pressure. A) 0 K. B) 107 K. C) 207 K. D) 307 K. Show Answer Correct Answer: D) 307 K. 21. Standard temperature and pressure (STP) mean A) A temperature of 0$^\circ$C and a pressure of 101.3 kPa, or 1 atmosphere (atm). B) A temperature of 100$^\circ$C and a pressure of 101.3 kPa, or 1 atmosphere (atm). C) A temperature of 0$^\circ$K and a pressure of 10 atmosphere (atm). D) None of the above. Show Answer Correct Answer: A) A temperature of 0$^\circ$C and a pressure of 101.3 kPa, or 1 atmosphere (atm). 22. ..... gaseous particles come closer together and form a liquid or solid A) Condensation. B) Sublimation. C) Evaporation. D) Distillation. Show Answer Correct Answer: A) Condensation. 23. The number of degrees of freedom of monoatomic gas is: A) 3. B) 4. C) 5. D) 6. Show Answer Correct Answer: A) 3. 24. True or False:All substances need the same amount of energy to change phase A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 25. If an atom has no charge, which of the following must be true? A) It has more neutrons than protons or electrons. B) There are only neutrons inside the atom. C) Its number of protons is equal to its number of electrons. D) The neutrons in the atom outnumber the electrons and protons. Show Answer Correct Answer: C) Its number of protons is equal to its number of electrons. ← PreviousNext →Related QuizzesClass 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 1Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 2Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 3Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 4Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 5Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 6Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 8Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 9Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 10Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books