Two soap bubbles of radii x and y coalesce to constitute a bubble of radius z. Then, z is equal to
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
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
Even carnot engine cannot give 100% efficiency
During an adiabatic process, the cube of the pressure is found to be inversely proportional to the fourth power of the volume. The..
The shown p â€“ V diagram represents the thermodynamic cycle of an engine, operating with an ideal monoatomic gas. The amount..
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..
In a given process for an ideal gas, dW=0 and dQ<0 then for the gas
Changing the state of thermodynamics from A to B state
System gives 300 calories of heat and 600 joules of work.
If Q, E and W heat added change in internal energy and the work done
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 ..
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..
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..
Which of the following is not a thermodynamics co-ordinate
A wall has two layers A and B, each made of different material. Both the layers have the same thickness. The thermal conductivity ..
For free expansion of the gas which of the following is true
When two bodies A and B are in thermal equilibrium
The container of volume 1m cube is divided One of these compartments contains
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..
If Q and W represent the heat supplied
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
Find volume constant and pressure constant
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..
heat given to a body which raises its temperature by 1Â°C
If Q and W represent the heat supplied to the system
First law of thermodynamics
The internal energy of an ideal gas depends upon
The specific heat of a solid at low temperature shows
First law of thermodynamics is based on
A gas is enclosed in a cylinder with movalbe friction
The latent heat of vaporisation of water
A perfect gas contained in a cylinder
Which of the following can not determine the state of a thermodynamics system
a constant volume gas thermometer
A system performs work when an amount of heat added
A pendulum clock loses 12 s a day if the temperature is 40Â°C
Which of the following parameters does not characterise the thermodynamic state of matter?
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