Physics-
General
Easy
Question
P-V plots for two gases during adiabatic process are shown in the figure. Plots 1 and 2 should correspond respectively to
- He and
- and He
- He and Ar
- and
and He
and
The correct answer is: and He
Related Questions to study
Physics-
A thermodynamic process is shown in the figure. The pressures and volumes corresponding to some points in the figure are : 
and 
In process AB, 600 J of heat is added to the system and in process BC, 200 J of heat is added to the system. The change in internal energy of the system in process AC would be
A thermodynamic process is shown in the figure. The pressures and volumes corresponding to some points in the figure are : and
In process AB, 600 J of heat is added to the system and in process BC, 200 J of heat is added to the system. The change in internal energy of the system in process AC would be
Physics-General
Physics-
An ideal gas of mass m in a state A goes to another state B via three different processes as shown in figure. If 
and 
denote the heat absorbed by the gas along the three paths, then
An ideal gas of mass m in a state A goes to another state B via three different processes as shown in figure. If and denote the heat absorbed by the gas along the three paths, then
Physics-General
Physics-
The P-V diagram shows seven curved paths (connected by vertical paths) that can be followed by a gas. Which two of them should be parts of a closed cycle if the net work done by the gas is to be at its maximum
The P-V diagram shows seven curved paths (connected by vertical paths) that can be followed by a gas. Which two of them should be parts of a closed cycle if the net work done by the gas is to be at its maximum
Physics-General
Physics-
V diagram. The work done during a cycle is
V diagram. The work done during a cycle is
Physics-General
Physics-
A system goes from A to B via two processes I and II as shown in figure. If 
and 
are the changes in internal energies in the processes I and II respectively, then
A system goes from A to B via two processes I and II as shown in figure. If and are the changes in internal energies in the processes I and II respectively, then
Physics-General
Physics-
Following figure shows on adiabatic cylindrical container of volume 
divided by an adiabatic smooth piston (area of cross-section = A) in two equal parts. An ideal gas 
is at pressure P1 and temperature T1 in left part and gas at pressure P2 and temperature T2 in right part. The piston is slowly displaced and released at a position where it can stay in equilibrium. The final pressure of the two parts will be (Suppose x = displacement of the piston)
Following figure shows on adiabatic cylindrical container of volume divided by an adiabatic smooth piston (area of cross-section = A) in two equal parts. An ideal gas is at pressure P1 and temperature T1 in left part and gas at pressure P2 and temperature T2 in right part. The piston is slowly displaced and released at a position where it can stay in equilibrium. The final pressure of the two parts will be (Suppose x = displacement of the piston)
Physics-General
Physics-
A cylindrical tube of uniform cross-sectional area A is fitted with two air tight frictionless pistons. The pistons are connected to each other by a metallic wire. Initially the pressure of the gas is P0 and temperature is T0, atmospheric pressure is also P0. Now the temperature of the gas is increased to 2T0, the tension in the wire will be
A cylindrical tube of uniform cross-sectional area A is fitted with two air tight frictionless pistons. The pistons are connected to each other by a metallic wire. Initially the pressure of the gas is P0 and temperature is T0, atmospheric pressure is also P0. Now the temperature of the gas is increased to 2T0, the tension in the wire will be
Physics-General
Chemistry-
Acetic acid undergoes dimerization, when dissolved in benzene
Molecular mass of acetic acid is found 120. Which among the following relation is correct?
Acetic acid undergoes dimerization, when dissolved in benzene Molecular mass of acetic acid is found 120. Which among the following relation is correct?
Chemistry-General
Chemistry-
The dissociation equilibrium of a gas AB2 can be represented as, 
The degree of dissociation is x and is small as compared to 1 The expression relating the degree of dissociation (x) with equilibrium constant Kp and total pressure P is:<
The dissociation equilibrium of a gas AB2 can be represented as, The degree of dissociation is x and is small as compared to 1 The expression relating the degree of dissociation (x) with equilibrium constant Kp and total pressure P is:<
Chemistry-General
Chemistry-
A:
has larger ionic radius than that of 
R: 
is relatively more extensively hydrated as compared with 
A:has larger ionic radius than that of
R: is relatively more extensively hydrated as compared with
Chemistry-General
Chemistry-
When CO2 is passed into brine solution saturated with ammonia we get
When CO2 is passed into brine solution saturated with ammonia we get
Chemistry-General
Chemistry-
Which of the following do not convert into oxide on heating?
Which of the following do not convert into oxide on heating?
Chemistry-General
Chemistry-
A 20 litre box contains and O? at equilibrium at 
Assume that 
and total pressure is 8 atm; the partial pressure of 03 is:
A 20 litre box contains and O? at equilibrium at Assume that and total pressure is 8 atm; the partial pressure of 03 is:
Chemistry-General
Chemistry-
Butyne on reaction with hot alkaline KMn04 gives:
Butyne on reaction with hot alkaline KMn04 gives:
Chemistry-General
Chemistry-
A: Addition of NH4OH to an aqueous solution of BaCl2 in the presence of excess NH4Cl precipitates Ba(OH)2 because
R: Ba(OH)2 is soluble in water
A: Addition of NH4OH to an aqueous solution of BaCl2 in the presence of excess NH4Cl precipitates Ba(OH)2 because
R: Ba(OH)2 is soluble in water
Chemistry-General
