Chapter 18 – Thermodynamics
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A sample of gas expands from volume V1 to V2. The amount of work done by the gas is greatest when the expansion is
26
Aug
A sample of gas expands from volume V1 to V2. The amount of work done by the gas is greatest when the expansion is A sample of gas expands from volume V1 to V2. The amount of work done by the gas is greatest when the expansion is August 26, 2020 Category: Chapter 18 - [...]
If the ratio of specific heat of a gas at constant pressure to that at constant volume is γ, the change in internal energy of the mass of gas, when the volume changes from V to 2V at constant pressure P, is
26
Aug
If the ratio of specific heat of a gas at constant pressure to that at constant volume is γ, the change in internal energy of the mass of gas, when the volume changes from V to 2V at constant pressure P, is If the ratio of specific heat of a gas at constant pressure to [...]
One mole of an ideal gas at an initial temperature of T K does 6 R joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is 5/3, the final temperature of gas will be :-
26
Aug
One mole of an ideal gas at an initial temperature of T K does 6 R joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is 5/3, the final temperature of gas will be :- One mole of an ideal gas at an initial [...]
An ideal gas at 27 degree C is compressed adiabatically to 8/27 of its original volume. The rise in temperature is γ = 5/3
26
Aug
An ideal gas at 27 degree C is compressed adiabatically to 8/27 of its original volume. The rise in temperature is γ = 5/3 An ideal gas at 27 degree C is compressed adiabatically to 8/27 of its original volume. The rise in temperature is γ = 5/3 August 26, 2020 Category: Chapter 18 - [...]
The efficiency of carnot engine is 50% and temperature of sink is 500K. If temperature of source is kept constant and its efficiency raised to 60%, then the required temperature of the sink will be :
26
Aug
The efficiency of carnot engine is 50% and temperature of sink is 500K. If temperature of source is kept constant and its efficiency raised to 60%, then the required temperature of the sink will be : The efficiency of carnot engine is 50% and temperature of sink is 500K. If temperature of source is kept [...]
An ideal gas heat engine operates in a Carnot cycle between 227 degree C and 127 degree C. It absorbs 6 kcal at the higher temperature. The amount of heat (in kcal) converted into work is equal to :
26
Aug
An ideal gas heat engine operates in a Carnot cycle between 227 degree C and 127 degree C. It absorbs 6 kcal at the higher temperature. The amount of heat (in kcal) converted into work is equal to : An ideal gas heat engine operates in a Carnot cycle between 227 degree C and 127 [...]
A thermodynamic process is shown in figure. The pressures and volumes corresponding to some points in the figure are PA = 3×10^4 Pa, PB = 8×10^4 Pa and VA = 2×10^−3m^3, VD = 5×10^−3m^3. In process AB, 600J of heat is added to the system and in process BC, 200J of heat is added to the system. The change in internal energy of the system in process AC would be
26
Aug
A thermodynamic process is shown in figure. The pressures and volumes corresponding to some points in the figure are PA = 3×10^4 Pa, PB = 8×10^4 Pa and VA = 2×10^−3m^3, VD = 5×10^−3m^3. In process AB, 600J of heat is added to the system and in process BC, 200J of heat is added to [...]
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200J of heat is added to the system. The change in internal energy of the system in process AC would be ,
600J of heat is added to the system and in process BC ,
A thermodynamic process is shown in figure. The pressures and volumes corresponding to some points in the figure are PA = 3×10^4 Pa ,
PB = 8×10^4 Pa and VA = 2×10^−3m^3 ,
VD = 5×10^−3m^3. In process AB ,
A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA in the PV diagram. The net work done during the complete cycle is given by the area :
26
Aug
A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA in the PV diagram. The net work done during the complete cycle is given by the area : A thermodynamic system is taken from state A to B along ACB and is brought back to [...]
First law of thermodynamics is a consequence of conservation of
26
Aug
First law of thermodynamics is a consequence of conservation of First law of thermodynamics is a consequence of conservation of August 26, 2020 Category: Chapter 18 - Thermodynamics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
Which of the following is not thermodynamical function ?
26
Aug
Which of the following is not thermodynamical function ? Which of the following is not thermodynamical function ? August 26, 2020 Category: Chapter 18 - Thermodynamics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,