Thermal Physics MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The principle stating that the volume of a gas is directly proportional to its temperature at constant pressure is known as:
A. Charles' law
B. Boyle's law
C. Gay-Lussac's law
D. Avogadro's law
Answer: Charles' law
The energy associated with the random motion of particles in a substance is known as:
A. Thermal energy
B. Kinetic energy
C. Potential energy
D. Mechanical energy
Answer: Thermal energy
The concept that describes the heat capacity of a substance in terms of its mass is:
A. Specific heat capacity
B. Latent heat
C. Heat capacity
D. Thermal conductivity
Answer: Specific heat capacity
The process of heat transfer through direct contact between objects is known as:
A. Conduction
B. Convection
C. Radiation
D. Advection
Answer: Conduction
The heat transfer method that involves the transfer of energy through electromagnetic waves is:
A. Radiation
B. Convection
C. Conduction
D. Advection
Answer: Radiation
The concept describing the total energy of a system, including its internal, kinetic, and potential energy, is known as:
A. Internal energy
B. Thermal energy
C. Mechanical energy
D. Heat energy
Answer: Internal energy
The principle stating that the pressure of a gas increases with increasing temperature at constant volume is known as:
A. Gay-Lussac's law
B. Boyle's law
C. Charles' law
D. Avogadro's law
Answer: Gay-Lussac's law
The heat required to raise the temperature of a substance by 1°C is determined by its:
A. Heat capacity
B. Specific heat capacity
C. Latent heat
D. Thermal conductivity
Answer: Heat capacity
The process of converting a solid directly into a gas is known as:
A. Sublimation
B. Deposition
C. Melting
D. Freezing
Answer: Sublimation