Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 6 (60 MCQs)

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1. Convert Celsius to farhenit scale
2. Which one of the following processes depends on gravity?
3. WHEN LIQUID CHANGES INTO VAPOUR STATE AT FIXED TEMPERATURE
4. What is the relationship between temperature and particle motion (kinetic energy)?
5. A rectangular swimming pool is 12m long, 8.0m wide and has an average depth of 1.2m. A heater increases the temperature of the water from 20$^\circ$C to 29$^\circ$C in 24 hours.The density of water is 1000 kg/m$^{3 }$and its specific heat capacity is 4.2 J/(g $^\circ$C).No energy is transferred to or from the surroundings. What is the power of the heater?
6. Which property differentiates solids from gases?
7. Three cubes of sides 1, 2 and 3 cm are at constant temperature of 1000oC.The amount of heat lost per second by them are in the ratio
8. How much energy will it take to raise 3 kg of water by 5$^\circ$C? (water has specific heat capacity of 4, 200 J/kg $^\circ$C.
9. Bob places an object 15 cm away from the converging lens.He realised that the image formed by the converging lens is the same size as the object.What are the possible other properties the image formed have?
10. When a bimetallic strip is heated
11. Boiling and evaporation are different processes.Which statement is not correct? [N14/1/8]
12. From the graph shown in the simulation, what do you observe about the temperature during the condensing stage?
13. Why does the liquid in a thermometer rise when it is heated?
14. The thermal capacity of solid Y is greater than that of solid Z. What is a consequence of this?
15. Which one is an example of radiation
16. Assertion:Water kept in an open vessel will quickly evaporate onthe surface of the moon. Reason:The temperature at the surface of the moon is much higher than boiling point of the water.
17. Which is NOT correct about the differences between evaporation and boiling?
18. What form of heat transfer occurs when the Sun heats the Earth?
19. From the graph shown in the simulation, what do you observe about the temperature during the freezing stage?
20. What is the effect of temperature on the viscosity of liquids?
21. Evie and Eesha are having a science debate! ASSERTION (A):The melting point of ice decreases with increase in pressure. REASON (R):Ice contracts on melting. Who will win the debate?
22. A 2 kW kettle containing boiling water is placed on a balance. It is left there and continues to boilfor 5 minutes. The balance reading changes by 0.2 kg.What does this information give as an estimate for the specific latent heat of vaporisation ofwater?
23. Which statement about boiling and evaporation is correct?
24. From the graph shown in the simulation, what do you observe about the temperature when liquid water is still below its boiling point of 100 $^\circ$C?
25. When water evaporates, some molecules escape.Which molecules escape?
26. J of work is required for
27. The diagram shows a liquid-in-glass thermometer.Which change to the design would result in a more sensitive thermometer?
28. In the Kinetic Molecular Theory, which assumption is TRUE?
29. Describe how thermal energy is transferred in a vacuum.
30. As temperature increases, what are the changes in internal energy?
31. At which temperature-celcius and Fahrenheit scale are equal
32. What happens when there is an increase in internal energy?
33. In the simplest case of an ideal gas, temperature is proportional to the ..... kinetic energy of molecular translational motion.
34. The temperature gradient of 0.5m long rod is 80 $^{0}$C/m. If the temperature of hotter end of the rod is 30$^{0}$C, then the temperature of the colder end is
35. When a substance is boiling, it is .....
36. Which change in the design of a liquid-in-glass thermometer makes it more sensitive?
37. What is the process when gas changes to liquid?
38. Amount of heat energy required to convert 1gm of ice at 0$^\circ$C into steam at 100$^\circ$C is
39. From the graph shown in the simulation, what do you observe about the temperature when the liquid molecules are below the boiling point?
40. Which of the following process takes the longest time to occur?
41. Equal masses of oil and water are heated to 900C and then allowed to cool. Which statement explains why the oil cools faster than the water?
42. The measure of the average kinetic energy of the individual particles in a substance is called .....
43. Sophie and Sebastian are conducting an experiment in their science class. They plot a graph of temperature vs heat supplied for a mysterious substance. Sophie notices that the slope of the graph is inversely proportional to a certain property of the substance. Can you help Samuel figure out which property it is?
44. From the graph shown in the simulation, what do you observe about the temperature after boiling point?
45. A solid is heated causing it to expand.What effect does this have on its mass and on its density?
46. Which of the following best defines the thermal property of matter?
47. The property and of body to restore it's original size and shape as the deforming force ceases to act is called
48. The energy absorbed during melting is known as
49. A certain gas occupies 3 L at 27$^\circ$C. If heated to 327$^\circ$C at constant pressure, what will be its volume?
50. The S.I unit of Specific Heat Capacity is .....
51. Substances that are the same temperature, but have different thermal conductivities
52. How does the kinetic theory of gases relate to thermal properties?
53. In order that heat flows from one part of solid to another part, what is required
54. For any pure substance, its melting point
55. If 10 gm of ice at 0 $^\circ$C is mixed with 10gm of water at 20$^\circ$C, the final temperture will be:
56. During the evaporation of a liquid, thermal energy is ..... from the liquid, causing a ..... effect.
57. The temperature of land rises more quickly than that of the sea because the specific heat of soil is
58. Which one is radiation
59. Question 5A rise in temperature of a substance increases its
60. From the graph shown in the simulation, what do you observe about the temperature during the boiling stage?