Physics
Grade-9
Easy
Question
During a thermodynamic process, 438 J of heat is removed from a gas system while 238 J of work is done on the gas. The change in internal energy of a system is _____ J.
- 200
- - 200
- - 676
- 676
Hint:
Answer is -200J
The correct answer is: - 200
-200 J is the correct answer
Related Questions to study
Physics
A cold reservoir is touched to a system, which of the following may happen?
A cold reservoir is touched to a system, which of the following may happen?
PhysicsGrade-9
Physics
When there is no heat exchange between the system and the reservoir, ____.
When there is no heat exchange between the system and the reservoir, ____.
PhysicsGrade-9
Physics
The internal energy of a system does not change in a/an _____ process.
(A) Isothermal
(B) Adiabatic
(C) Isochoric
(D) Isobaric
The internal energy of a system does not change in a/an _____ process.
(A) Isothermal
(B) Adiabatic
(C) Isochoric
(D) Isobaric
PhysicsGrade-9
Physics
Energy can be added to a system by ____.
Energy can be added to a system by ____.
PhysicsGrade-9
Physics
Internal energy denotes ______.
Internal energy denotes ______.
PhysicsGrade-9
Physics
When the pressure inside the system is smaller than the pressure outside it, the work is done ______.
When the pressure inside the system is smaller than the pressure outside it, the work is done ______.
PhysicsGrade-9
Physics
During a thermodynamic process, 540 J of heat is removed from a gas system while 1200 J of work done on the gas. The change in internal energy of a system is _______J.
During a thermodynamic process, 540 J of heat is removed from a gas system while 1200 J of work done on the gas. The change in internal energy of a system is _______J.
PhysicsGrade-9
Physics
During a thermodynamic process, 230 joules of heat are added to a gas while 200 joules of work are done by the gas. The change in internal energy of a system is ______ J.
During a thermodynamic process, 230 joules of heat are added to a gas while 200 joules of work are done by the gas. The change in internal energy of a system is ______ J.
PhysicsGrade-9
Physics
During an isothermal process 200 J of heat are removed from a trapped gas. The work is done _______.
During an isothermal process 200 J of heat are removed from a trapped gas. The work is done _______.
PhysicsGrade-9
Physics
A hot reservoir is touched to a system, which of the following may happen?
A hot reservoir is touched to a system, which of the following may happen?
PhysicsGrade-9
Physics
When the pressure inside the system is greater than the pressure outside it, the work is done ______.
When the pressure inside the system is greater than the pressure outside it, the work is done ______.
PhysicsGrade-9
Physics
When two systems 1 and 2 are in thermal equilibrium, _______
When two systems 1 and 2 are in thermal equilibrium, _______
PhysicsGrade-9
Physics
When the heat is removed from a system, its internal energy _____.
When the heat is removed from a system, its internal energy _____.
PhysicsGrade-9
Physics
________ is an invisible transfer of energy into or out of a system.
________ is an invisible transfer of energy into or out of a system.
PhysicsGrade-9
Physics
Heat is added or removed from a system by _____.
Heat is added or removed from a system by _____.
PhysicsGrade-9