A gas at state A changes to state B through path I and II shown in figure. The change in internal energy is AU1 and AU2, respectiv..
A wall has two layers A and B, each made of different material. Both the layers have the same thickness. The thermal conductivity ..
A metal ball immersed in alcohol weighs W1 at 0 degree C and W2 at 50 degree C. The coefficient of expansion of cubical the metal ..
The shown p â€“ V diagram represents the thermodynamic cycle of an engine, operating with an ideal monoatomic gas. The amount..
100 g of water is heated from 30 degree C to 50 degree C. Ignoring the slight expansion of the water, the change in its internal e..
An ideal monatomic gas is taken round the cycle ABCDA as shown in the P - V diagram (see Fig.). The work done during the cycle is
During an adiabatic process, the cube of the pressure is found to be inversely proportional to the fourth power of the volume. The..
The amount of heat given to system is 35 joules
A graph of pressure versus volume for an ideal gas for different processes is as shown. In the graph, curve OC represents
310 J of heat is required to raise the temperature of 2 moles of an ideal gas at constant pressure from 25 degree C to 35 degree C..
Two moles of an ideal helium gas are in a rubber balloon at 30 degree C The balloon is fully expandable and can be assumed to requ..
Two cylinders A and B fitted with pistons, contain equal number of moles of an ideal monoatomic gas at 400 K. The piston of A is f..
If Q, E and W heat added change in internal energy and the work done
Amount of heat given to a system is 35 J & the amount of work done on a system is 15J,then change in its internal energy would be
Find volume constant and pressure constant
System gives 300 calories of heat and 600 joules of work.
The latent heat of vaporisation of water
If Q and W represent the heat supplied
For free expansion of the gas which of the following is true
A perfect gas contained in a cylinder
A gas is enclosed in a cylinder with movalbe friction
First law of thermodynamics
The container of volume 1m cube is divided One of these compartments contains
In a given process for an ideal gas, dW=0 and dQ<0 then for the gas
The specific heat of a solid at low temperature shows
Which of the following is not a thermodynamics co-ordinate
The internal energy of an ideal gas depends upon
Changing the state of thermodynamics from A to B state
When two bodies A and B are in thermal equilibrium
Which of the following can not determine the state of a thermodynamics system
If Q and W represent the heat supplied to the system
A system performs work when an amount of heat added
First law of thermodynamics is based on
2 kg of ice at 20Â°C is mixed with 5 kg of warer
A block of ice at 10Â° C is slowly heated
Which of the following parameters does not characterise the thermodynamic state of matter?
A thermodynamic state of a given sample of an ideal gas is completely described, if its
Three rods of indentical cross- sectional area and made from the same metal from the side of an isosceles traingle ABC, night - an..
Which of the following is not a thermodynamic coordinate?
If 150 J of heat is added to a system and the work done by the system is 110 J, then change in internal energy will be
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