Preparing for the Joint Entrance Exam (JEE) can be a daunting task. With so many subjects to cover and so many topics to study, it can be challenging to know where to start. One essential topic in the JEE Mains syllabus is the Thermal Properties of Matter. In this article, we will provide 50+ MCQ questions on the Thermal Properties of Matter, along with detailed solutions to help you prepare for the JEE Mains exam.
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These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand Thermal Properties of Matter JEE Mains MCQ Questions with Answers.
Thermal Properties of Matter JEE Mains MCQ
The SI unit of specific heat capacity is:
a) J/kg
b) J/kg°C
c) J/°C
d) J/°C/kg
The heat required to raise the temperature of a substance by 1°C is called its:
a) Specific heat capacity
b) Latent heat
c) Thermal conductivity
d) Calorific value
The amount of heat required to change the phase of a substance at its melting or boiling point without changing its temperature is called:
a) Specific heat capacity
b) Latent heat
c) Thermal conductivity
d) Calorific value
The specific heat capacity of water is highest for:
a) Ice
b) Liquid water
c) Water vapor
d) They all have the same specific heat capacity
The heat transfer by direct contact between particles of a substance without the movement of the substance as a whole is called:
a) Conduction
b) Convection
c) Radiation
d) None of the above
The process of heat transfer in which the transfer occurs through the movement of fluid particles is called:
a) Conduction
b) Convection
c) Radiation
d) None of the above
The process of heat transfer in which electromagnetic waves carry energy from one object to another without the need for a medium is called:
a) Conduction
b) Convection
c) Radiation
d) None of the above
The rate of heat conduction through a solid material depends on:
a) The temperature difference across the material
b) The thermal conductivity of the material
c) The thickness of the material
d) All of the above
The rate of heat transfer by conduction is directly proportional to:
a) The temperature difference across the conductor
b) The surface area of the conductor
c) The thermal conductivity of the conductor
d) All of the above
The coefficient of linear expansion of a material is defined as the change in length per unit length per degree change in:
a) Temperature
b) Volume
c) Pressure
d) Density
The coefficient of linear expansion is highest for:
a) Solids
b) Liquids
c) Gases
d) They are the same for all states of matter
The relation between the coefficient of linear expansion (α) and the coefficient of volume expansion (β) for a substance is given by:
a) β = 3α
b) β = α/3
c) β = α^3
d) β = 2α
The relation between the coefficient of volume expansion (β) and the coefficient of superficial expansion (γ) for a substance is given by:
a) β = γ/2
b) γ = 2β
c) β = 2γ
d) γ = β/2
The total thermal energy of a substance is the sum of its:
a) Internal energy and kinetic energy
b) Internal energy and potential energy
c) Kinetic energy and potential energy
d) Internal energy, kinetic energy, and potential energy
The relation between the specific heat capacities at constant pressure (Cp) and constant volume (Cv) for an ideal gas is given by:
a) Cp = Cv
b) Cp = Cv + R
c) Cp = Cv + R/M
d) Cp = Cv – R/M
The work done in an adiabatic process is equal to:
a) Zero
b) The change in internal energy
c) The heat transferred
d) None of the above
The ratio of the specific heat capacities at constant pressure (Cp) and constant volume (Cv) for an ideal gas is denoted by:
a) γ
b) β
c) α
d) R
The value of γ for monoatomic gases is:
a) 5/3
b) 7/5
c) 3/5
d) 3/2
The value of γ for diatomic gases is:
a) 5/3
b) 7/5
c) 3/5
d) 3/2
The efficiency of a Carnot engine operating between two temperatures T1 and T2 is given by:
a) (T2 – T1)/T1
b) (T1 – T2)/T1
c) (T2 – T1)/T2
d) (T1 – T2)/T2
The efficiency of a Carnot engine depends on:
a) The temperature of the hot reservoir
b) The temperature of the cold reservoir
c) Both the temperatures of the hot and cold reservoirs
d) None of the above
The coefficient of performance (COP) of a refrigerator is defined as the ratio of:
a) The heat extracted from the cold reservoir to the work input
b) The work input to the heat extracted from the cold reservoir
c) The heat extracted from the hot reservoir to the work input
d) The work input to the heat extracted from the hot reservoir
The efficiency of a heat engine is always:
a) Less than 100%
b) Greater than 100%
c) Equal to 100%
d) None of the above
The first law of thermodynamics is a statement of the conservation of:
a) Mass
b) Energy
c) Momentum
d) Angular momentum
The change in internal energy of a system is given by:
a) ΔU = Q – W
b) ΔU = Q + W
c) ΔU = Q/W
d) ΔU = W/Q
The second law of thermodynamics states that:
a) Energy is conserved in a closed system
b) The entropy of an isolated system always increases
c) The pressure and volume of a gas are inversely proportional
d) The temperature of a gas is directly proportional to its volume
Entropy is a measure of:
a) Temperature
b) Internal energy
c) Disorder or randomness
d) Work done
The entropy of a system at absolute zero temperature is:
a) Zero
b) Infinite
c) Negative
d) Undefined
The change in entropy of a system is given by:
a) ΔS = Q – W
b) ΔS = Q + W
c) ΔS = Q/T
d) ΔS = T/Q
The process in which a gas undergoes a change in such a way that its pressure and volume both change, but its temperature remains constant, is called:
a) Isothermal process
b) Adiabatic process
c) Isobaric process
d) Isochoric process
We hope there JEE MCQ of Class 11 Thermal Properties of Matter will help you to score an excellent rank in JEE Mains and Advanced. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
