Which quantity is a state function_______________?
A. internal energy
B. heat supply
C. pressure
D. volume
Physics Mcqs
Petrol engine is a________________?
Petrol engine is a________________?
A. C.I engine
B. SI engine
C. IC engine
D. all the above
The purpose of flywheel in the engines is________________?
The purpose of flywheel in the engines is________________?
A. to smooth out the energy variation
B. to add more weight to engine to work it stable
C. to start engine
D. both A and B
For the successful operation of Heat engine which condition should be met ?
For the successful operation of Heat engine which condition should be met ?
A. cyclic process
B. operated at certain temperature difference
C. both A and B
D. none of these
The work done in the isochoric process is________________?
The work done in the isochoric process is________________?
A. constant
B. variable
C. zero
D. depends on situation
Adiabatic process is also called______________?
Adiabatic process is also called______________?
A. Heat exchange process
B. Heating process
C. Isentropic process
D. All of the above
In which process entropy remains constant________________?
In which process entropy remains constant________________?
A. isobaric
B. isochoric
C. adiabatic
D. isothermal
Average translational kinetic energy per molecule of an ideal gas is given by_____________?
Average translational kinetic energy per molecule of an ideal gas is given by_____________?
A. 3NaT/2R
B. 2NaT/3
C. 3RT/2Na
D. 3Na/2RT
Boltzman constant K in terms of universal gas constant R and Avagadros number Na is give as_______________?
Boltzman constant K in terms of universal gas constant R and Avagadros number Na is give as_______________?
A. K = RNa
B. K = R/Na
C. K = Na/Ra
D. K = nRNa
Which of the following properties of molecules of a gas is same for all gases at particular temperature ?
Which of the following properties of molecules of a gas is same for all gases at particular temperature ?
A. momentum
B. mass
C. velocity
D. kinetic energy