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Argon gas is at initial temperature . If gas is expanded adiabatically 8 times to its initial volume then find final temperature of Argon gas?
(a)
(b)
(c)
(d)

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Important Questions on Thermodynamics
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The volume () of a monatomic gas varies with its temperature (), as shown in the graph. The ratio of work done by the gas, to the heat absorbed by it, when it undergoes a change from state to state , is

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pressure is heated to convert it to vapour. Find increase in internal energy if latent heat of vaporization of water

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Consider the given temperature entropy diagram. Which of the following processes represent increase in volume ?

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An ideal gas undergoes a cyclic process as shown in diagram. The net work done by the gas in the cycle is:-

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A thermodynamic system does of useful work. If its internal energy decreases by , then how much heat has been supplied to the system?

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In an adiabatic expansion of 0.5 mole of an ideal diatomic gas, temperature changes from 32ºC to 20ºC. The change in internal energy of the gas is

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A refrigerator having coefficient of performance 10 absorbs 500 J per cycle. The amount of heat rejected to the surrounding per cycle is:-

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The change in entropy of of nitrogen gas in an isobaric process when its temperature changes from is
