Chapter 8 – Thermodynamics
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Which of the following is incorrect regarding the first law of thermodynamics ?
11
Sep
Which of the following is incorrect regarding the first law of thermodynamics ? Which of the following is incorrect regarding the first law of thermodynamics ? September 11, 2021 Category: Chapter 8 - Thermodynamics , JEE Mains Physics 2002-2019 Solved Video Solutions ,
Even Carnot engine cannot give 100% efficiency because we cannot
11
Sep
Even Carnot engine cannot give 100% efficiency because we cannot Even Carnot engine cannot give 100% efficiency because we cannot September 11, 2021 Category: Chapter 8 - Thermodynamics , JEE Mains Physics 2002-2019 Solved Video Solutions ,
A Carnot engine takes 3 × 10^6 cal of heat from a reservoir at 627°C, and gives it to a sink at 27°C. The work done by the engine is
11
Sep
A Carnot engine takes 3 × 10^6 cal of heat from a reservoir at 627°C, and gives it to a sink at 27°C. The work done by the engine is A Carnot engine takes 3 × 10^6 cal of heat from a reservoir at 627°C and gives it to a sink at 27°C. The work [...]
During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio Cp/Cv for the gas is
11
Sep
During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio Cp/Cv for the gas is During an adiabatic process the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio Cp/Cv for the gas [...]
Which of the following statements is correct for any thermodynamic system?
11
Sep
Which of the following statements is correct for any thermodynamic system? Which of the following statements is correct for any thermodynamic system? September 11, 2021 Category: Chapter 8 - Thermodynamics , JEE Mains Physics 2002-2019 Solved Video Solutions ,
The temperature – entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is.
11
Sep
The temperature – entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is. The temperature - entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is. September 11, 2021 Category: Chapter 8 - Thermodynamics , JEE Mains Physics 2002-2019 Solved Video Solutions ,
The work of 146 kJ is performed in order to compress one kilo mole of a gas adiabatically and in this process, the temperature of the gas increases by 7°C. The gas is (R = 8.3 J mol^-1 K^-1)
11
Sep
The work of 146 kJ is performed in order to compress one kilo mole of a gas adiabatically and in this process, the temperature of the gas increases by 7°C. The gas is (R = 8.3 J mol^-1 K^-1) the temperature of the gas increases by 7°C. The gas is (R = 8.3 J mol^-1 [...]
A Carnot engine having an efficiency of 1/10 as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is
11
Sep
A Carnot engine having an efficiency of 1/10 as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is A Carnot engine having an efficiency of 1/10 as heat engine is used as a refrigerator. If [...]
The net work done by the gas in the cycle ABCDA is
11
Sep
The net work done by the gas in the cycle ABCDA is The net work done by the gas in the cycle ABCDA is September 11, 2021 Category: Chapter 8 - Thermodynamics , JEE Mains Physics 2002-2019 Solved Video Solutions ,
The work done on the gas in taking it from D to A is
11
Sep
The work done on the gas in taking it from D to A is The work done on the gas in taking it from D to A is September 11, 2021 Category: Chapter 8 - Thermodynamics , JEE Mains Physics 2002-2019 Solved Video Solutions ,