This is second part of Most Repeated SPSC SST MCQs – Physics Questions Answers.
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52. An object with particles close together and vibrating describes a___________.
a) Gas b) Liquid c) Solid d) None of them
53. A burning candle is an example of ____________ state of matter.
a) Gas b) Liquid
c) Solid d) All three
54. During which process a gas becomes a liquid ______.
a) Melting b) Freezing
c) Condensing d) Boiling
55. A solid can __________________________ .
a) have a fixed shape
b) be easily compressed
c) take a shape of container
d) have freely moving molecules
56. According to kinetic molecular theory, the pressure exerted by a gas is caused by the ___________.
a) bombardment of the gas molecules on the walls of the container.
b) collision between gas molecules.
c) large distances between gas molecules.
d) random motion of the gas molecules.
57. If a gas is heated in a sealed cylinder, then_________ increases.
a) pressure inside the container
b) average kinetic energy of the particles
c) temperature of the gas
d) All of them
58. A gas in a container of fixed volume is heated. What happens to the molecules of the gas?
a) They collide less frequently.
b) They expand.
c) They move faster.
d) They move further apart.
59. In a liquid, some energetic molecules break free from the surface even when the liquid is too cold for bubbles to form. What is the name of this process?
a) boiling b) condensation
c) convection d) evaporation
60. What happens to the molecules of a gas when the gas changes into a liquid?
a) They move closer and lose energy.
b) They move closer and gain energy.
c) They move apart and lose energy.
d) They move apart and gain energy
61. The energy released during fission or fusion reaction is called __.
a) Solar energy b) Geothermal energy
c) Tidal energy d) Nuclear energy
62. Which is the renewable source of energy
a) Solar and wind b) Coal
c) Natural gas d) Petrolium
The ratio of output to input is called
a) Energy b) Work
c) Power d) Efficiency
63. Work done per unit time is called __.
a) Efficiency b) Energy
c) Power d) Force
64. Coal, gas and oil are all examples of_________.
a) Tidal energy b) Nuclear energy
c) Fossil fuel energy d) Biomass energy
65. __ is not a renewable source of energy.
a) Solar energy b) Coal
c) Wind energy d) Geothermal energy
66. Heat is the form of __
a) Pressure b) Weight
c) Energy d) All
67. Thermal energy transfer required to change a solid into liquid without changing its temperature is
called __.
a) Latent heat of Fusion
b) latent heat of vaporization
c) latent heat of boiling
d) specific heat capacity
68. Thermal energy transfer required to change a liquid into gas without changing its temperature is called
a) latent heat of freezing
b) latent heat of vaporization
c) latent heat of boiling
d) latent heat of melting
69. Evaporation can occur at __
a) freezing point b) melting point
c) boiling point d) all temperatures
70. Rate of evaporation of a liquid can be increased by__________.
a) increasing humidity
b) decreasing temperature
c) increasing its boiling point
d) decreasing atmospheric pressure
71. Linear thermal expansion of a solid depends upon________________.
a) increase in temperature
b) original length
c) properties of material
d) all of these
Most Repeated SPSC SST MCQs – Physics Questions Answers (Part -1)