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Popular Questions
- 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
- Two soap bubbles of radii x and y coalesce to constitute a bubble of radius z. Then, z is equal to
- In a given process for an ideal gas, dW=0 and dQ<0 then for the gas
- A graph of pressure versus volume for an ideal gas for different processes is as shown. In the graph, curve OC represents
- The shown p – V diagram represents the thermodynamic cycle of an engine, operating with an ideal monoatomic gas. The amount..
- A pendulum clock loses 12 s a day if the temperature is 40°C
- Even carnot engine cannot give 100% efficiency
- The amount of heat given to system is 35 joules
- 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 on an ideal gas ,dW =0 and dQ <0.
- During an adiabatic process, the cube of the pressure is found to be inversely proportional to the fourth power of the volume. The..
- heat given to a body which raises its temperature by 1°C
- 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..
- 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 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 container of volume 1m cube is divided One of these compartments contains
- Changing the state of thermodynamics from A to B state
- If Q, E and W heat added change in internal energy and the work done
- System gives 300 calories of heat and 600 joules of work.
- When two bodies A and B are in thermal equilibrium
- Which of the following is not a thermodynamics co-ordinate
- 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..
- A wall has two layers A and B, each made of different material. Both the layers have the same thickness. The thermal conductivity ..
- 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
- For free expansion of the gas which of the following is true
- 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..
- If Q and W represent the heat supplied
- If Q and W represent the heat supplied to the system
- Find volume constant and pressure constant
- The internal energy of an ideal gas depends upon
- First law of thermodynamics
- Which of the following parameters does not characterise the thermodynamic state of matter?
- The specific heat of a solid at low temperature shows
- First law of thermodynamics is based on
- The latent heat of vaporisation of water
- A gas is enclosed in a cylinder with movalbe friction
- A system performs work when an amount of heat added
- A perfect gas contained in a cylinder
- a constant volume gas thermometer
- Which of the following can not determine the state of a thermodynamics system
