StudentAidUnit 10: Thermal Physics — Mcqs
10th Class Physics · Unit 10: Thermal Physics
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Multiple Choice Questions Exercise
1.When the temperature of a rod of copper is increased, its length:
2.The amount by which unit length of a material increases when the temperature is raised to 1°C, is called the coefficient of:
3.What does liquid turn into once it is evaporated?
- a Gas
- b Water Vapour
- c Air
- d Both (a) and (b)
4.Which property determines how much heat a solid can absorb before its temperature changes significantly?
5.High-temperature superconductors typically involve which type of material?
SLO Based Additional MCQs + Past papers MCQs of Punjab Boards
Thermal Expansion
1.The formula for linear thermal expansion of a solid is:
2.Which relationship correctly represents the thermal expansion of liquids?
- a \beta_L = \beta_a - \beta_f
- b \beta_v = \beta_a + \beta_f
- c \beta_l = \beta_a + \beta_c
- d \beta_l = \beta_a - \beta_a
3.Small gaps are left between railway tracks to prevent:
4.In the linear expansion formula, the symbol \alpha represents:
Specific Heat Capacity
5.The SI unit of specific heat capacity is:
6.The specific heat capacity of water is:
7.Soil heats up faster than water because the specific heat capacity of dry soil is:
Evaporation
8.Evaporation is a process where a liquid changes into gas:
9.Which of the following factors does not increase the rate of evaporation?
Latent Heat
10.The heat energy required to change a solid into a liquid at its melting point without changing temperature is called:
11.The value of latent heat of fusion of ice is:
12.The latent heat of vaporization of water is:
Superconductivity
13.Superconductivity is a state where materials exhibit:
14.Mercury becomes a superconductor at a critical temperature of:
15.Which of the following is an application of superconductors?