This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the definition of a particle? A) The smallest part of a substance that can be repeated to make the whole substance. B) The smallest part of an element that can exist. C) A substance that cannot be broken down into other substances. D) A force that joins atoms together in a substance. Show Answer Correct Answer: A) The smallest part of a substance that can be repeated to make the whole substance. 2. Which of the states of matter listed here have particles with the greatest kinetic energy? A) Solid. B) LIquid. C) Gas. D) Euphoria. Show Answer Correct Answer: C) Gas. 3. You and your friend share a bowl of hot soup. You use a plastic spork and she uses a metal spork. Which one will heat up faster? A) Her spork. B) Your spork. C) They will heat up the same. D) None of the above. Show Answer Correct Answer: A) Her spork. 4. Kinetic Theory states that the tiny particles in all forms of matter are ..... A) Constant motion. B) Constant curiosity. C) Constantly missing. D) None of the above. Show Answer Correct Answer: A) Constant motion. 5. If the atoms of an object are moving fast, the temperature would be ..... A) High. B) Low. C) All the above. D) None of the above. Show Answer Correct Answer: A) High. 6. What about gases can be measured? A) Pressure and Volume. B) Temperature, Volume, and Pressure. C) Volume and Temperature. D) Pressure, Temperature, Volume, and Moles. Show Answer Correct Answer: D) Pressure, Temperature, Volume, and Moles. 7. What is the major problem with trying to observe Brownian Motion? A) Molecules are moving too fast. B) Molecules are moving too slow. C) Molecules are too big to observe. D) Molecules are too small to observe. Show Answer Correct Answer: D) Molecules are too small to observe. 8. In an experiment, a gas is heated in a sealed container. What is the expected outcome according to the kinetic theory? A) The pressure of the gas increases. B) The gas condenses into a liquid. C) The volume of the gas decreases. D) The gas particles stop moving. Show Answer Correct Answer: A) The pressure of the gas increases. 9. The particles in a gas are ..... away from each other than the particles in a solid A) Farther. B) Closer. C) The same distance. D) None of the above. Show Answer Correct Answer: A) Farther. 10. Which of the following best explains the surface tension of liquids in terms of the Kinetic Theory? A) It is due to the random motion of particles. B) It is caused by the cohesive forces between particles. C) It is a result of particles moving in fixed patterns. D) It is unaffected by particle movement. Show Answer Correct Answer: B) It is caused by the cohesive forces between particles. 11. In which state of matter are the particles moving the least random A) Gas. B) Liquid. C) Solid. D) Plasma. Show Answer Correct Answer: C) Solid. 12. Explain the relationship between pressure and temperature in gases. A) Pressure decreases as temperature increases in gases. B) Temperature has no effect on the pressure of gases. C) Pressure is directly proportional to temperature in gases at constant volume. D) Pressure is inversely proportional to temperature in gases at constant volume. Show Answer Correct Answer: C) Pressure is directly proportional to temperature in gases at constant volume. 13. Which real-world application relies on the principles of the Kinetic Theory of Liquids? A) Refrigeration systems. B) Hydraulic brakes. C) Electric circuits. D) Magnetic levitation. Show Answer Correct Answer: B) Hydraulic brakes. 14. Particles that make up a solid have the ..... attraction toward each other. A) Strongest. B) Weakest. C) All the above. D) None of the above. Show Answer Correct Answer: A) Strongest. 15. Which of the following is true for Ideal Gases A) PV = nRT. B) PV = RT. C) None of the above. D) All of the above. Show Answer Correct Answer: A) PV = nRT. 16. Suppose the temperature of gas is tripled and N$_{2 }$molecules dissociate into atom. Then what will be the ratio of rms speed of nitrogen molecule to nitrogen atom? A) $\frac{1}{\sqrt{3}}$. B) $\sqrt{3}$. C) $\frac{1}{\sqrt{6}}$. D) $\sqrt{6}$. Show Answer Correct Answer: C) $\frac{1}{\sqrt{6}}$. 17. What is not true for an ideal gas? A) Gas molecules have forces of attraction for each other. B) Collisions between molecules do not involve the transfer of energy. C) Gas molecules do not occupy any volume. D) Gas molecules have primarily translational motion. Show Answer Correct Answer: B) Collisions between molecules do not involve the transfer of energy. 18. What happens to the particles of a solid when it is heated? A) They lose thermal energy and move more slowly. B) They gain thermal energy and vibrate faster. C) They become fixed in their positions. D) They turn directly into a gas. Show Answer Correct Answer: B) They gain thermal energy and vibrate faster. 19. Particles always ..... each other, this gets stronger as the particles get ..... A) Attract, farther apart. B) Attract, closer together. C) Repel, farther apart. D) Repel, closer together. Show Answer Correct Answer: B) Attract, closer together. 20. The amount of energy needed to change a material from a solid to a liquid state. A) Heat of Solids. B) Heat of Liquids. C) Heat of Fusion. D) Heat of Vaporization. Show Answer Correct Answer: C) Heat of Fusion. 21. Particles in this state of matter do not move around a lot. A) Solid. B) Liquid. C) Gas. D) Plasma. Show Answer Correct Answer: A) Solid. 22. Is the statement true or false?Ethanol boils at 100 degrees C A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 23. Solids that melt at a specific temperature are called A) Fluids. B) Crystalline. C) Amorphorus. D) None of the above. Show Answer Correct Answer: B) Crystalline. 24. If 6L of gas at 293K is compressed to 4L, what is the new temperature? A) 195K. B) 439.5K. C) 0.082K. D) 12.2K. Show Answer Correct Answer: A) 195K. 25. At STP, 1 mol, or representative particles, of any gas occupies a volume of ..... A) 24.4 dm3. B) 44.2 dm3. C) 22.4 dm3. D) None of the above. Show Answer Correct Answer: C) 22.4 dm3. ← 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 7Class 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books