PHYSICS

Heat is the form of:
a) Power
b) Work
c) Energy
d) Motion

Pressure of the gas depends upon:
a) Only on molecular speed
b) Only on mass of molecule
c) Only on number of molecules in a unit volume
d) Number of molecules in a unit volume, mass and speed of molecule

In the isothermal process, one of the
following is constant:
a) Pressure
b) Volume
c) Temperature
d) Heat energy
e) Specific heat

A process in which no heat enters or leaves
the system is called:
a) Isothermal process
b) Adiabatic process
c) Isochoric process
d) Isobaric process

For a gas obeying Boyle’s law, if the
pressure is doubled, the volume becomes:
a) Double
b) One half
c) Four times
d) One fourth

Gas law PV γ = constant is for:
a) Isothermal process
b) Adiabatic process
c) Isobaric process
d) Isochoric process

Cloud formation in the atmosphere is
example of:
a) Adiabatic process
b) Isothermal process
c) Isochoric process
d) Isobaric process

Boyle’s law holds for ideal gases in.
a) Isochoric processes
b) Isobaric processes
c) Isothermal processes
d) Adiabatic processes

Which one is true for internal energy?
a) It is sum of all forms of energies
associated with molecules of a system.
b) It is a state function of a system
c) It is proportional to transnational K.E of the molecules
d) All are correct

The internal energy of an ideal gas is
directly proportional to:
a) Potential energy
b) Translational kinetic energy
c) Vibrational kinetic energy
d) None of these

Pages ( 1 of 41 ): 1 23 ... 41Next »
Scroll to Top