Physics-
General
Easy
Question
Heat energy absorbed by a system in going through a cyclic process shown in figure is
- 107 J
- 104 J
- 102 J
-
The correct answer is: 102 J
In a cyclic, DU = 0
From FLOT, D Q = DU + DW = 0 + DW = Area of closed curve Þ DQ = pr2
Related Questions to study
Physics-
An ideal gas is taken around the cycle ABCA as shown in the P-V diagram. The net work done by the gas during the cycle is equal to
An ideal gas is taken around the cycle ABCA as shown in the P-V diagram. The net work done by the gas during the cycle is equal to
Physics-General
Physics-
In the cyclic process shown in the figure, the work done by the gas in one cycle is
In the cyclic process shown in the figure, the work done by the gas in one cycle is
Physics-General
Physics-
In the figure given two processes A and B are shown by which a thermo-dynamical system goes from initial to final state F. If and are respectively the heats supplied to the systems then
In the figure given two processes A and B are shown by which a thermo-dynamical system goes from initial to final state F. If and are respectively the heats supplied to the systems then
Physics-General
Physics-
A cyclic process ABCA is shown in the V-T diagram. Process on the P-V diagram is
A cyclic process ABCA is shown in the V-T diagram. Process on the P-V diagram is
Physics-General
Physics-
Work done in the given P-V diagram in the cyclic process is
Work done in the given P-V diagram in the cyclic process is
Physics-General
Physics-
The temperature-entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is
The temperature-entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is
Physics-General
Physics-
Carnot cycle (reversible) of a gas represented by a Pressure-Volume curve is shown in the diagram
Consider the following statements
I. Area ABCD = Work done on the gas
II. Area ABCD = Net heat absorbed
III. Change in the internal energy in cycle = 0
Which of these are correct
Carnot cycle (reversible) of a gas represented by a Pressure-Volume curve is shown in the diagram
Consider the following statements
I. Area ABCD = Work done on the gas
II. Area ABCD = Net heat absorbed
III. Change in the internal energy in cycle = 0
Which of these are correct
Physics-General
Physics-
A cyclic process ABCD is shown in the figure P-V diagram. Which of the following curves represent the same process
A cyclic process ABCD is shown in the figure P-V diagram. Which of the following curves represent the same process
Physics-General
Physics-
A cyclic process for 1 mole of an ideal gas is shown in figure in the V-T, diagram. The work done in AB, BC and CA respectively
A cyclic process for 1 mole of an ideal gas is shown in figure in the V-T, diagram. The work done in AB, BC and CA respectively
Physics-General
Physics-
In the following indicator diagram, the net amount of work done will be
In the following indicator diagram, the net amount of work done will be
Physics-General
Physics-
An ideal gas is taken through the cycle , as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process is
An ideal gas is taken through the cycle , as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process is
Physics-General
Physics-
The P-V diagram of a system undergoing thermodynamic transformation is shown in figure. The work done on the system in going from is 50 J and 20 cal heat is given to the system. The change in internal energy between A and C is
The P-V diagram of a system undergoing thermodynamic transformation is shown in figure. The work done on the system in going from is 50 J and 20 cal heat is given to the system. The change in internal energy between A and C is
Physics-General
Physics-
In pressure-volume diagram given below, the isochoric, isothermal, and isobaric parts respectively, are
In pressure-volume diagram given below, the isochoric, isothermal, and isobaric parts respectively, are
Physics-General
Physics-
Four curves A, B, C and D are drawn in the adjoining figure for a given amount of gas. The curves which represent adiabatic and isothermal changes are
Four curves A, B, C and D are drawn in the adjoining figure for a given amount of gas. The curves which represent adiabatic and isothermal changes are
Physics-General
Physics-
P-V plots for two gases during adiabatic process are shown in the figure. Plots 1 and 2 should correspond respectively to
P-V plots for two gases during adiabatic process are shown in the figure. Plots 1 and 2 should correspond respectively to
Physics-General