Thermodynamics MCQ Questions Class 11 Physics Chapter 12
NCERT MCQ Questions for Class 11 Physics Chapter 12 Thermodynamics. Thermodynamics MCQ Questions with Answers from Class 11 Physics.
Thermodynamics MCQ Questions Class 11 Physics Chapter 12
Thermodynamics Multiple Choice Questions with Answers Class 11 Physics Chapter 12 PDF is available.
1) The branch of physics which deals with the concepts of heat and temperature and the inter conversion of heat and other forms of energy is called as
a) Statistical mechanics
b) Thermodynamics
c) Fluid dynamics
d) Classical physics
Ans: b) thermodynamics
2) Thermodynamics is the ____ science.
a) Microscopic
b) Macroscopic
c) Both a and b
d) None
Ans: b) macroscopic
3) Pressure, volume, temperature, mass are the
a) Microscopic variables
b) Macroscopic variables
c) Intensive variables
d) Extensive variables
Ans: b) macroscopic variables
4) Two systems in thermal equilibrium with a third system separately are in thermal equilibrium with each other, this is the statement of
a) First law of thermodynamics
b) Second law of thermodynamics
c) Zeroth law of thermodynamics
d) None
Ans: c) zeroth law of thermodynamics
5) The SI unit of specific heat capacity is
a) J kg-1 K
b) J kg K
c) J kg-1 K-1
d) None
Ans: c) J kg-1 K-1
6) The amount of heat required to raise the temperature of 1g of water by 1°C is called as
a) 1 joule
b) 1 kJ
c) One calorie
d) None
Ans: c) one calorie
7) The variables which describes equilibrium states of system are called as
a) Intensive variables
b) Extensive variables
c) State variables
d) Thermodynamic state variables
Ans: d) thermodynamic state variables
8) The process in which temperature of the system remains constant throughout the process is called as
a) Adiabatic process
b) Cyclic process
c) Isothermal process
d) Spontaneous process
Ans: c) isothermal process
9) The process in which pressure of the system is constant is called as
a) Isochoric process
b) Isobaric process
c) Isothermal process
d) Adiabatic process
Ans: b) isobaric process
10) The process in which volume of the system remains constant is called as
a) Isochoric process
b) Isobaric process
c) Isothermal process
d) Adiabatic process
Ans: a) isochoric process
11) If the system is insulated from the surrounding and no heat flows between the system and the surrounding then the process is called as
a) Isochoric process
b) Isobaric process
c) Isothermal process
d) Adiabatic process
Ans: d) adiabatic process
12) For isothermal process the ideal gas equation becomes
a) PV = RT
b) PV = nRT
c) PV = constant
d) None
Ans: c) PV = constant
13) The first law of thermodynamics is the principle of
a) Conservation of mass
b) Conservation of energy
c) Conservation of charge
d) None
Ans: b) conservation of energy
14) The statement of first law of thermodynamics is given by
a) ∆Q = ∆U – ∆W
b) ∆Q = ∆U + ∆W
c) ∆U = ∆Q + ∆W
d) None
Ans: b) ∆Q = ∆U + ∆W
15) The specific heat capacity of the substance is given by
a) S = ∆Q/∆T
b) S = 1/m ∆Q/∆T
c) S= -1/m ∆Q/∆T
d) S = – ∆Q/∆T
Ans: b) s = 1/m ∆Q/∆T
- In case you have missed:- Previous Chapter MCQ Questions
16) For a solid, law of equipartition of energy gives
a) C = 2R
b) C = R
c) C = 3R
d) None
Ans: c) C = 3R
17) No process is possible whose sole result is the absorption of heat from a reservoir and complete conversion of heat into work, this is the statement of
a) Zeroth law of thermodynamics
b) First law of thermodynamics
c) Kelvin Planck statement
d) Clausius statement
Ans: c) Kelvin Planck statement
18) No process is possible whose sole result is the transfer of heat from a colder object to a hotter object, this is the statement of
a) Zeroth law of thermodynamics
b) First law of thermodynamics
c) Kelvin Planck statement
d) Clausius statement
Ans: d) Clausius statement
19) The heat is added to system when
a) Q < 0
b) Q > 0
c) Q = 0
d) None
Ans: b) Q > 0
20) The heat is removed to the system when
a) Q < 0
b) Q > 0
c) Q = 0
d) None
Ans: a) Q < 0
21) The work is done by the system when
a) W < 0
b) W = 0
c) W > 0
d) None
Ans: c) W > 0
22) The work is done on the system when
a) W > 0
b) W < 0
c) W = 0
d) None
Ans: b) W < 0
23) The SI unit of coefficient of volume expansion is
a) K
b) K-1
c) K m3
d) K / m3
Ans: b) K-1
24) The dimensions of coefficient of volume expansion is
a) [M L T]
b) [ M L-1]
c) [ K-1]
d) [K ]
Ans: c) [K-1]
25) The heat supplied to the system is measured in
a) J
b) N
c) Watt
d) N/s
Ans: a) J
26) The dimensions of heat supplied to the system is
a) [M L-2 T2]
b) [M L-2 T2]
c) [M L-2 T-2]
d) None
Ans: c) [M L-2 T-2]
27) The dimensions of specific heat capacity are
a) [M L-2 T2]
b) [M L-2 T2]
c) [M L-2 T-2]
d) [L2 T-2 K-1]
Ans: d) [L2 T-2 K-1]
28) The specific heat capacity is measured in
a) J Kg K
b) J kg-1 K-1
c) J kg
d) J k-1
Ans: b) J kg-1 K-1
29) The thermal conductivity is measured in
a) J s K-1
b) J s-1 K-1
c) J K-1
d) None
Ans: b) J s-1 K-1
30) The dimensions of thermal conductivity are
a) [M L T-3 K]
b) [M L T-3 K-1]
c) [M L T-3 K-2]
d) [M L T-3]
Ans: b) [M L T-3 K-1]
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