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General
Easy
Question
An ideal monoatomic gas undergoes a cyclic process ABCA as shown in the figure. The ratio of heat absorbed during AB to the work done on the gas during BC is :
The correct answer is:
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In a cyclic process shown in the figure an ideal gas is adiabatically taken from B to A, the work done on the gas during the process B → A is 30 J , when the gas is taken from A→B the heat absorbed by the gas is 20 J. The change in internal energy of the gas in the process A→B is :
In a cyclic process shown in the figure an ideal gas is adiabatically taken from B to A, the work done on the gas during the process B → A is 30 J , when the gas is taken from A→B the heat absorbed by the gas is 20 J. The change in internal energy of the gas in the process A→B is :
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3 moles of an ideal monoatomic gas performs ABCDA cyclic process as shown in figure below. The gas temperatures are 
and 
. The work done by the gas is (approximately ) 
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A cyclic process ABCD is shown below in the given P-V diagram. In the following answers the one that represents the same process as in P-V diagram :
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The P-V diagram of a system undergoing thermodynamic transformation is shown in figure. The work done on the system in going from A→B→C is 50 J and 20 cal heat is given to the system. The change in internal energy between A and C is
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In the figure given two processes A and B are shown by which a thermo-dynamical system goes from initial to final state F. If 
and 
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A monoatomic ideal gas, initially at temperature 
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A monoatomic ideal gas, initially at temperature , is enclosed in a cylinder fitted with a frictionless piston. The gas is allowed to expand adiabatically to a temperature. by releasing the piston suddenly. IF and are teh lengths of the gas column before and after expansion respectively, then is given by
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Power of a man who can chew 0.3 kg ice in one minute is(in Cal/s)
Power of a man who can chew 0.3 kg ice in one minute is(in Cal/s)
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The temperature of equal masses of three different liquids A, B and C are 
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and 
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An ideal gas at a pressures of 1 atmosphere and temperature of 
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H calories of heat is required to increase the temperature of one mole of monoatomic gas from 
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is at constant volume is
H calories of heat is required to increase the temperature of one mole of monoatomic gas from to at const. volume. The quantity of heat required to increase the temperature of 2 moles of a diatomic gas from to is at constant volume is
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Find the external work done by the system in kcal, when 20 kcal of heat is supplied to the system the increase in the internal energy is 8400J JJ 4200J/kcal )
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The specific heat of a substance is 0.09cal/ gm°C. If the temperature is measured on Fahrenheit scale the value of its specific heat in cal/gm/
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If the rms velocity of oxygen molecule at certain temperature is 0.5 km/s, the rms velocity for hydrogen molecule at the same temperature will be
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What is the velocity of monoatomic gas having pressure 1 kilopascal and density 
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The pressure P for a gas is plotted against its absolute temperature T for two different volumes 
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