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The efficiency of a Carnot’s engine at a particular source and sink temperature is 2/1 ​ . When the sink temperature is reduced by 100^∘ C, the engine efficiency, becomes 3/2 ​. Find the source temperature. becomes 3/2 ​. Find the source temperature. The efficiency of a Carnot's engine at a particular source and sink [...]

A faulty thermometer reads 5^∘C in melting ice and 99^∘C in steam. The correct temperature in Fahrenheit when this faulty thermometer reads 52^∘C is A faulty thermometer reads 5^∘C in melting ice and 99^∘C in steam. The correct temperature in Fahrenheit when this faulty thermometer reads 52^∘C is September 5, 2021 Category: Arihant Physics by [...]

At room temperature, the rms speed of the molecules of a certain diatomic gas is found to be 1930 m/s . The gas is At room temperature the rms speed of the molecules of a certain diatomic gas is found to be 1930 m/s . The gas is September 5, 2021 Category: Arihant Physics by [...]

In the P-V diagram shown in figure ABC is a semicircle. The work done in the process ABC is In the P-V diagram shown in figure ABC is a semicircle. The work done in the process ABC is September 5, 2021 Category: Arihant Physics by D.C Pandey , Chapter 15 - Thermodynamics , Volume 1 [...]

The temperature of a gas contained in a closed vessel of constant volume increases by 1^∘C when the pressure of the gas is increased by 1%. The initial temperature of the gas is The temperature of a gas contained in a closed vessel of constant volume increases by 1^∘C when the pressure of the gas [...]

For ideal monoatomic gas, the universal gas constant R is n times molar heat capacity at constant pressure Cp ​Here n is :- For ideal monoatomic gas the universal gas constant R is n times molar heat capacity at constant pressure Cp ​Here n is :- September 5, 2021 Category: Arihant Physics by D.C Pandey [...]

Pressure versus temperature graph of an ideal gas at constant volume V is shown by the straight line A. Now mass of the gas is doubled and volume is halved, then the corresponding pressure versus temperature graph will be shown by the line. Pressure versus temperature graph of an ideal gas at constant volume V [...]

Gas at a pressure P0 is contained in a vessel . If the masses of all the molecules are halved and their speeds doubled, the resulting pressure would be Gas at a pressure P0 is contained in a vessel . If the masses of all the molecules are halved and their speeds doubled the resulting [...]

During adiabatic process pressure (P) versus density (o) equation is During adiabatic process pressure (P) versus density (o) equation is September 5, 2021 Category: Arihant Physics by D.C Pandey , Chapter 15 - Thermodynamics , Volume 1 ,

120 g of ice at 0 degree C is mixed with 100 g of water at 80 degree C. Latent heat of fusion is 80 cal/g and specific heat of water is 1 cal/g degree C. The final temperature of the mixture is 120 g of ice at 0 degree C is mixed with 100 [...]