Thermodynamic — Physics MCQs (Class 11)
Free chapter-wise Physics MCQs with answers for MDCAT, FSc and entry tests.
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#9 Thermal radiation requires
A) a medium
B) vacuum only
C) no medium
D) solid contact
#10 Two objects at same temperature have
A) same internal energy
B) thermal equilibrium (no net heat flow)
C) same mass
D) same volume
#11 Thermal contact means systems can
A) exchange heat
B) exchange only work
C) exchange matter
D) not interact
#12 Temperature is a measure of
A) total internal energy
B) average random kinetic energy per particle
C) momentum
D) mass density
#13 Thermal equilibrium implies
A) equality of pressure
B) equality of temperature
C) equality of volume
D) equality of density
#14 Units of heat in SI are
A) calorie
B) joule
C) watt
D) newton
#15 One calorie is approximately
A) 1 J
B) 4.186 J
C) 0.4186 J
D) 41.86 J
#16 Internal energy of an ideal gas depends on
A) pressure only
B) temperature only
C) volume only
D) temperature and volume
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