Thermal Physics MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The heat transfer method that involves direct contact between materials is:
A. Conduction
B. Convection
C. Radiation
D. Advection
Answer: Conduction
The energy required to change the phase of a substance from liquid to gas is called:
A. Latent heat of vaporization
B. Latent heat of fusion
C. Specific heat capacity
D. Thermal energy
Answer: Latent heat of vaporization
The process in which heat is transferred through electromagnetic waves is known as:
A. Radiation
B. Conduction
C. Convection
D. Advection
Answer: Radiation
The term used to describe the energy associated with the random motion of particles in a substance is:
A. Thermal energy
B. Kinetic energy
C. Potential energy
D. Mechanical energy
Answer: Thermal energy
The process of converting a liquid into a solid is known as:
A. Freezing
B. Melting
C. Sublimation
D. Evaporation
Answer: Freezing
The amount of heat required to change the temperature of a unit mass of a substance by 1°C is its:
A. Specific heat capacity
B. Heat capacity
C. Latent heat
D. Thermal conductivity
Answer: Specific heat capacity
The energy required to heat 1 gram of water by 1°C is known as:
A. Calorie
B. Joule
C. Watt
D. Volt
Answer: Calorie
The process by which a substance absorbs heat and undergoes a phase change without a change in temperature is known as:
A. Latent heat
B. Specific heat capacity
C. Thermal conductivity
D. Heat capacity
Answer: Latent heat
The amount of heat required to raise the temperature of a system by 1°C at constant pressure is known as:
A. Heat capacity at constant pressure
B. Heat capacity at constant volume
C. Latent heat
D. Thermal energy
Answer: Heat capacity at constant pressure