THERMAL PHYSICS
PART A QUESTIONS
UNIT I
Define heat
Define temperature
State zeroth law
of thermodynamics
What is the
principle of platinum resistance thermometer?
What are
advantages and disadvantages of platinum resistance thermometer?
What is a
thermodynamic system?
What are
thermodynamics variables?
What is a
quasistatic process?
State first law of
thermodynamics
UNIT II
What is reversible
process?
What is
irreversisble process?
What are the parts
of Carnot’s engine
What Carnot’s heat
engine is an ideal heat engine
State Carnot’s
theorem
Define entropy
What is
thermodynamic scale of temperature?
UNIT III
What are the
applications of Maxwell thermodynamics relations
State Joule
Thomson effect
What are the
results of porous plug experiment
What is adiabaltic
demagnetization
State third law of
thermodynamics
UNIT IV
What is the
significance of kinetic theory of gases
Write the Maxwell
distribution law equation
Write the equation
for average speed of molecule.
Write the equation
for root mean square speed of molecule.
Write the equation
for most probable speed of molecule.
What is the ratio of three speeds
namely average speed, root mean square speed and most probable speed?
UNIT V
Define coefficient
of thermal conductivity
Define a black
body
State Kirchoff’law
State Wien’s law
State Stefan
Boltzmann law
State Planck’s law
of radiation
State Rayleigh
Jean’s law
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