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An ideal monoatomic gas is carried around the cycle ABCDA as shown in the figure. The efficiency of the gas cycle is
The correct answer is:
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One mole of an ideal monoatomic gas at temperature T0 expands slowly according to the law 
If the final temperature is 2T0 , heat supplied to the gas is
One mole of an ideal monoatomic gas at temperature T0 expands slowly according to the law If the final temperature is 2T0 , heat supplied to the gas is
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p-T diagram of one mole of an ideal monatomic gas is shown. Processes AB and CD are adiabatic. Work done in the complete cycle is
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Two moles of an ideal monoatomic gas are expanded according to the equation
pT = constant from its initial state ( p0 ,V0) to the final state due to which its pressure becomes half of the initial pressure. The change in internal energy is
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pT = constant from its initial state ( p0 ,V0) to the final state due to which its pressure becomes half of the initial pressure. The change in internal energy is
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The internal energy of a gas is given by U = 2 pV. It expands fromV0 to 2 V0 against a constant pressure p0. The heat absorbed by the gas in the process is
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600 J of heat is added to a monoatomic gas in a process in which the gas performs a work of 150 J. The molar heat capacity for the process is
600 J of heat is added to a monoatomic gas in a process in which the gas performs a work of 150 J. The molar heat capacity for the process is
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One mole of an ideal gas at temperature T1 expands slowly according to the law,Its final temperature is T2. The work done by the gas is
One mole of an ideal gas at temperature T1 expands slowly according to the law,Its final temperature is T2. The work done by the gas is
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A gas at 10oC temperature and 1.013×105 Pa pressure is compressed adiabatically to half of its volume. If the ratio of specific heats of the gas is 1.4, what is its final temperature?
A gas at 10oC temperature and 1.013×105 Pa pressure is compressed adiabatically to half of its volume. If the ratio of specific heats of the gas is 1.4, what is its final temperature?
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If 
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If K, then increase in internal energy when temperature of 2 moles of this gas is increased from 340 K to 342 K
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If the ratio of specific heat of a gas at constant pressure to that at constant volume is 
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One mole of an ideal monoatomic gas is heated at a constant pressure of one atmosphere from 
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One mole of an ideal monoatomic gas is heated at a constant pressure of one atmosphere from . Then the change in the internal energy is
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First law of thermodynamics is a special case of
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Out of the following which quantity does not depend on path
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Heat is not being exchanged in a body. If its internal energy is increased, then
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In a thermodynamic process, pressure of a fixed mass of a gas is changed in such a manner that the gas molecules gives out 20 J of heat and 10 J of work is done on the gas. If the initial internal energy of the gas was 40 J, then the final internal energy will be
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A system is provided with 200 cal of heat and the work done by the system on the surrounding is 40 J. Then its internal energy
A system is provided with 200 cal of heat and the work done by the system on the surrounding is 40 J. Then its internal energy
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