Paper 1 Thermal Physics Route Drills
Q1
Which pair is most directly linked by thermal equilibrium?
A. equal masses
B. equal temperatures
C. equal volumes
D. equal pressures always
Q2
The kelvin temperature corresponding to is
A.
B.
C.
D.
Q3
A calculation using the ideal gas equation must use temperature in
A. degrees Celsius.
B. kelvin.
C. joules.
D. pascals.
Q4
Specific heat capacity is energy required per unit mass per unit
A. pressure change.
B. temperature change.
C. volume change.
D. density change.
Q5
Specific latent heat is energy required per unit mass for
A. temperature rise only.
B. change of state at constant temperature.
C. pressure decrease only.
D. acceleration.
Q6
Internal energy of a substance is associated with microscopic
A. kinetic and potential energies of particles.
B. electric current only.
C. external gravitational energy only.
D. momentum of the container only.
Q7
The ideal gas equation is
A. .
B. .
C. .
D. .
Q8
The first law of thermodynamics is an energy accounting statement for
A. charge only.
B. internal energy, heating and work.
C. wavelength only.
D. magnetic flux only.
Q9
During melting of a pure substance at constant pressure, temperature is approximately constant because supplied energy mainly
A. increases kinetic energy of particles.
B. changes the arrangement/separation of particles.
C. becomes zero.
D. reduces mass.
Q10
For an ideal gas at fixed amount, if is constant, is proportional to
A. Celsius temperature.
B. kelvin temperature.
C. always.
D. .
Q11
Mean translational kinetic energy of an ideal gas molecule is proportional to
A. pressure only.
B. absolute temperature.
C. volume only.
D. molar mass only.
Q12
A calorimetry experiment with heat loss to surroundings will usually give a measured specific heat capacity that is
A. too small if electrical input is assumed all useful.
B. too large if electrical input is assumed all useful.
C. exactly zero.
D. independent of insulation.
Q13
For a gas expanding and doing work while no energy is supplied by heating, internal energy
A. increases.
B. decreases.
C. stays fixed always.
D. is not defined.
Q14
Which quantity is a state property?
A. heat supplied
B. work done
C. internal energy
D. energy transfer path length
Q15
In kinetic theory, pressure arises from molecules
A. attracting the walls only.
B. colliding with container walls and changing momentum.
C. being stationary.
D. losing mass.
Q16
Two bodies are in thermal equilibrium with each other. Which statement must be correct?
A. They have equal internal energies.
B. They have equal temperatures and no net thermal energy transfer occurs between them.
C. They contain equal numbers of particles.
D. They have equal heat capacities.
Q17
For a fixed amount of ideal gas, internal energy depends only on
A. thermodynamic temperature.
B. pressure independently of temperature.
C. container shape.
D. the path used to reach the state.
Q18
For a fixed mass of ideal gas at constant pressure, is
A. constant.
B. proportional to .
C. zero.
D. negative always.
Q19
Heat is best described as
A. energy transferred because of temperature difference.
B. energy stored permanently as a substance property.
C. the same quantity as temperature.
D. a vector force.
Q20
Absolute zero is the temperature at which an ideal-gas extrapolation gives
A. infinite pressure at fixed volume.
B. zero pressure at fixed volume.
C. zero volume at all pressures.
D. maximum molecular kinetic energy.