Thermodynamic — Physics MCQs (Class 11)
Free chapter-wise Physics MCQs with answers for MDCAT, FSc and entry tests.
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#1 Thermal energy naturally flows from a body at
A) lower T to higher T
B) higher T to lower T
C) equal T to equal T
D) depends only on mass
#2 Two systems are in thermal equilibrium when
A) they have equal masses
B) no net heat flows between them
C) pressures are equal
D) volumes are equal
#3 The Zeroth Law of Thermodynamics allows us to define
A) heat
B) temperature
C) work
D) entropy
#4 When A is in thermal equilibrium with B and B with C, then A and C are
A) never in equilibrium
B) in thermal equilibrium
C) at different temperatures
D) isolated
#5 Heat is energy transfer due to
A) force
B) temperature difference
C) pressure difference
D) position change
#6 Work is energy transfer that can be associated with
A) random molecular motion
B) ordered macroscopic motion (force through distance)
C) radiation only
D) conduction only
#7 In conduction, thermal energy is transferred by
A) bulk motion of fluid
B) electromagnetic waves
C) molecular collisions within matter
D) chemical reaction
#8 In convection, heat is carried mainly by
A) photons
B) moving fluid
C) stationary atoms
D) vacuum
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