Chapter 18 – Thermodynamics
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An ideal Carnot’s engine whose efficiency 40% receives heat of 500 K. If its efficiency is 50% then the intake temperature for the same exhaust temperature is
16
Sep
An ideal Carnot’s engine whose efficiency 40% receives heat of 500 K. If its efficiency is 50% then the intake temperature for the same exhaust temperature is An ideal Carnot's engine whose efficiency 40% receives heat of 500 K. If its efficiency is 50% then the intake temperature for the same exhaust temperature is September [...]
The efficiency of a Carnot engine operating between temperature of 100 degree C and − 23 degree C will be :
16
Sep
The efficiency of a Carnot engine operating between temperature of 100 degree C and − 23 degree C will be : The efficiency of a Carnot engine operating between temperature of 100 degree C and − 23 degree C will be : September 16, 2020 Category: Chapter 18 - Thermodynamics , NEET Last 32 Years [...]
An engine takes heat from a reservoir and converts its 1/6 part into work. By decreasing temperature of sink by 62 degree C, its efficiency becomes double. The temperatures of source and sink must be
16
Sep
An engine takes heat from a reservoir and converts its 1/6 part into work. By decreasing temperature of sink by 62 degree C, its efficiency becomes double. The temperatures of source and sink must be An engine takes heat from a reservoir and converts its 1/6 part into work. By decreasing temperature of sink by [...]
The temperatures of source and sink of a heat engine are 127 degree and 27 degree respectively. An inventor clams its efficiency to be 26%, then,
16
Sep
The temperatures of source and sink of a heat engine are 127 degree and 27 degree respectively. An inventor clams its efficiency to be 26%, then, The temperatures of source and sink of a heat engine are 127 degree and 27 degree respectively. An inventor clams its efficiency to be 26% then September 16, 2020 [...]
Which of the following processes is reversible ?
31
Aug
Which of the following processes is reversible ? Which of the following processes is reversible ? August 31, 2020 Category: Chapter 18 - Thermodynamics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
In thermodynamic processes which of the following statements is not true ?
31
Aug
In thermodynamic processes which of the following statements is not true ? In thermodynamic processes which of the following statements is not true ? August 31, 2020 Category: Chapter 18 - Thermodynamics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
During an isothermal expansion, a confined ideal gas does -150 J of work against its surroundings. This implies that:
31
Aug
During an isothermal expansion, a confined ideal gas does -150 J of work against its surroundings. This implies that: a confined ideal gas does -150 J of work against its surroundings. This implies that: During an isothermal expansion August 31, 2020 Category: Chapter 18 - Thermodynamics , NEET Last 32 Years Solved 1988 - 2019 [...]
During an adiabatic process, the pressure of a gas is found to the proportional to the cube of its temperature. The ratio of Cv/Cp for the gas is
31
Aug
During an adiabatic process, the pressure of a gas is found to the proportional to the cube of its temperature. The ratio of Cv/Cp for the gas is During an adiabatic process the pressure of a gas is found to the proportional to the cube of its temperature. The ratio of Cv/Cp for the gas [...]
A monoatomic gas at a pressure P, having a volume V expands isothermally to a volume 2 V and then adiabatically to a volume 16 V. The final pressure of the gas is : (take γ = 5/3)
31
Aug
A monoatomic gas at a pressure P, having a volume V expands isothermally to a volume 2 V and then adiabatically to a volume 16 V. The final pressure of the gas is : (take γ = 5/3) A monoatomic gas at a pressure P having a volume V expands isothermally to a volume 2 [...]
An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas ?
31
Aug
An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas ? An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on [...]