Thermal Properties of Matter MCQ Questions Class 11 Physics Chapter 11
NCERT MCQ Questions for Class 11 Physics Chapter 11 Thermal Properties of Matter. Thermal Properties of Matter MCQ Questions with Answers from Class 11 Physics.
Thermal Properties of Matter MCQ Questions Class 11 Physics Chapter 11
Thermal Properties of Matter Multiple Choice Questions with Answers Class 11 Physics Chapter 11 PDF is available.
1) The form of energy transferred between two systems or a system and its surrounding by virtue of temperature difference is called as
a) Heat
b) Temperature
c) Both a and b
d) None
Ans: a) heat
2) The SI unit of heat energy is
a) J
b) N
c) Pa
d) N/m2
Ans: a) J
3) The SI unit of temperature is
a) Kelvin
b) Degree Celsius
c) Degree Fahrenheit
d) All
Ans: a) Kelvin
4) The commonly used unit of temperature is
a) Kelvin
b) Degree Fahrenheit
c) Degree Celsius
d) All
Ans: c) degree Celsius
5) Charle’s law is given by
a) V = constant
b) V/T = constant
c) T = constant
d) None
Ans: b) V/T = constant
6) The Boyle’s law is given by
a) P= constant
b) PV = constant
c) V/T = constant
d) None
Ans: b) PV = constant
7) Ideal gas equation is given by
a) PV = nRT
b) PV = RT
c) PV = R/T
d) None
Ans: a) PV = nRT
8) The numerical value of universal gas constant is given by
a) 8.31J
b) 8.31J mol-1 k-1
c) 8.31 J mol-1
d) None
Ans: b) 8.31 J mol-1 k-1
9) The absolute zero temperature is given by
a) +273.15°C
b) -273.15°C
c) 0°C
d) 1°C
Ans: b) -273.15°C
10) The increase in dimensions of body due to the increase in temperature of the body is called as
a) Thermal expansion
b) Linear expansion
c) Area expansion
d) Volume expansion
Ans: a) thermal expansion
11) The expansion in length is called as
a) Thermal expansion
b) Linear expansion
c) Area expansion
d) Volume expansion
Ans: b) linear expansion
12) The expansion in area is called
a) Linear expansion
b) Area expansion
c) Thermal expansion
d) Volume expansion
Ans: b) area expansion
13) The expansion in volume is called as
a) Linear expansion
b) Area expansion
c) Thermal expansion
d) Volume expansion
Ans: d) volume expansion
14) The change in temperature of the body due to heat absorbed or rejected by it is called as
a) Heat energy
b) Entropy
c) Enthalpy
d) Heat capacity
Ans: d) heat capacity
15) The SI unit of specific heat capacity is
a) J kg-1 K-1
b) J kg k
c) J kg-1
d) J kg-1 k
Ans: a) J kg-1 K-1
16) The SI unit of molar specific heat capacity is
a) J mole-1 K
b) J mole-1 K-1
c) J mole
d) J mole K
Ans: b) J mole-1 K-1
17) In the isolated system temperature of the system
a) Increases
b) Decreases
c) Remains constant
d) Not confirm
Ans: c) remains constant
18) The device used for heat measurement is called as
a) Thermometer
b) Barometer
c) Calorimeter
d) None
Ans: c) Calorimeter
19) The change of state from solid to liquid is called
a) Fusion
b) Melting
c) Vaporisation
d) None
Ans: b) melting
20) The change of state from liquid to solid is called as
a) Melting
b) Boiling
c) Vaporisation
d) Fusion
Ans: d) fusion
21) The temperature at which the solid and liquid states of the substance is in thermal equilibrium with each other is called as
a) Boiling point
b) Freezing point
c) Melting point
d) Normal melting point
Ans: c) melting point
22) The melting point of the substance at standard atmospheric pressure is called as
a) Melting point
b) Freezing point
c) Boiling point
d) Normal melting point
Ans: d) normal melting point
- In case you have missed:- Previous Chapter MCQ Questions
23) The change of state from liquid to vapour is called as
a) Freezing
b) Boiling
c) Melting
d) Vaporisation
Ans: d) vaporisation
24) The temperature at which liquid and the vapour states of the substance co exist is called as
a) Melting point
b) Freezing point
c) Boiling point
d) None
Ans: c) boiling point
25) The temperature and pressure at which the fusion curve, vaporisation curve and sublimation curve meet and all three phases of substance coexist is called as
a) Boiling point
b) Melting point
c) Freezing point
d) Triple point
Ans: d) triple point
26) The boiling point of the substance at standard atmospheric pressure is called as
a) Boiling point
b) Freezing point
c) Melting point
d) Normal boiling point
Ans: d) normal boiling point
27) The change from solid state to vapour state without passing through the liquid state is called as
a) Vaporisation
b) Melting
c) Boiling
d) Sublimation
Ans: d) sublimation
28) The SI unit of latent heat is given by
a) J kg
b) J kg-1
c) J
d) J K-1
Ans: b) J kg-1
29) The latent heat for a solid liquid state change is called as
a) Latent heat
b) Latent heat of fusion
c) Latent heat of vaporisation
d) None
Ans: b) latent heat of fusion
30) The latent heat for a liquid gas state change is called as
a) Latent heat
b) Latent heat of fusion
c) Latent heat of vaporisation
d) None
Ans: c) latent heat of vaporisation
31) The transfer of heat between two adjacent parts of body due to their temperature difference is called as
a) Radiation
b) Convection
c) Conduction
d) None
Ans: c) conduction
32) The SI unit of thermal conductivity is
a) J s-1 m-1 K-1
b) W m-1 K-1
c) Both a and b
d) None
Ans: c) both a and b
33) The thermal conductivity of water is
a) 0.8 J s-1 m-1 K-1
b) 0.12 J s-1 m-1 K-1
c) 0.15 J s-1 m-1 K-1
d) 1.6 J s-1 m-1 K-1
Ans: a) 0.8 J s-1 m-1 K-1
34) The process of transfer heat by actual migration of particles of the substance is called as
a) Conduction
b) Convection
c) Radiation
d) Heat transfer
Ans: b) convection
35) The heat transfer takes place without any medium is called as
a) Conduction
b) Convection
c) Radiation
d) Heat transfer
Ans: c) radiation
36) The energy transferred by electromagnetic waves is called as
a) Heat energy
b) Radiation
c) Radiant energy
d) None
Ans: c) radiant energy
37) The speed of electromagnetic waves in vacuum is
a) 3*10-8m/s
b) 3*108m/s
c) 3*10-9m/s
d) 3 m/s
Ans: b) 3*108 m/s
38) The electromagnetic radiation emitted by the body by virtue of its temperature is called as
a) Nuclear radiation
b) Heat radiation
c) Thermal radiation
d) None
Ans: c) thermal radiation
39) The product of wavelength for which energy is decreasing highly with increasing temperature and the temperature is called as
a) Boyle’s law
b) Charle’s law
c) Wien’s displacement law
d) None
Ans: c) Wien’s displacement law
40) The numerical value of Wien’s constant is
a) 2.9*10-3 mK
b) 2.9*103 mK
c) 2.9*10-5 mK
d) None
Ans: a) 2.9*10-3 m K
41) Stefan- Boltzmann constant has the value in SI unit as
a) 5.6*108 Wm-2 K-4
b) 5.67*10-8 W m-2 K-4
c) 5.67*10-9 W m-2 K-4
d) None
Ans: b) 5.67*10-8 W m-2 K-4
42) For a perfect radiator emissivity e is
a) One
b) Two
c) ½
d) 3/2
Ans: a) one
43) The net result in heating up of earth’s surface and atmosphere is called as
a) Acid rain
b) Greenhouse effect
c) Ozone layer depletion
d) None
Ans: b) Greenhouse effect
44) Without greenhouse effect the temperature of the earth would have been
a) 18°C
b) -18°C
c) 17°C
d) -17°C
Ans: b) -18°C
45) The greenhouse gases are namely
a) CO2
b) CH4
c) N2O
d) All
Ans: d) all
- In case you have missed:- Next Chapter MCQ Questions