Chapter 18 – Thermodynamics
Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 18 - Thermodynamics
One mole of an ideal monatomic gas undergoes a process described by the equation PV^3 = constant. The heat capacity of the gas during this process is :
31
Aug
One mole of an ideal monatomic gas undergoes a process described by the equation PV^3 = constant. The heat capacity of the gas during this process is : One mole of an ideal monatomic gas undergoes a process described by the equation PV^3 = constant. The heat capacity of the gas during this process is [...]
A gas is compressed isothermally to half its initial volume. The same gas is compressed separately through an adiabatic process until its volume is again reduced to half. Then.
31
Aug
A gas is compressed isothermally to half its initial volume. The same gas is compressed separately through an adiabatic process until its volume is again reduced to half. Then. A gas is compressed isothermally to half its initial volume. The same gas is compressed separately through an adiabatic process until its volume is again reduced [...]
In which of the following process, heat is neither absorbed nor released by a system ?
31
Aug
In which of the following process, heat is neither absorbed nor released by a system ? heat is neither absorbed nor released by a system ? In which of the following process August 31, 2020 Category: Chapter 18 - Thermodynamics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , [...]
The volume (V) of a monatomic gas varies with its temperature (T) as shown in the graph. The ratio of work done by the gas, to the heat absorbed by it, when it undergoes a change from state A to state B,is.
31
Aug
The volume (V) of a monatomic gas varies with its temperature (T) as shown in the graph. The ratio of work done by the gas, to the heat absorbed by it, when it undergoes a change from state A to state B,is. is The volume (V) of a monatomic gas varies with its temperature (T) [...]
Thermodynamic process are indicated in the following diagram.
31
Aug
Thermodynamic process are indicated in the following diagram. Thermodynamic process are indicated in the following diagram. August 31, 2020 Category: Chapter 18 - Thermodynamics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
An ideal gas heat engine operates in Carnot cycle between 227°C and 127°C. It absorbs 6 x 10^4 cal of heat at higher temperature. Amount of heat converted to work is
31
Aug
An ideal gas heat engine operates in Carnot cycle between 227°C and 127°C. It absorbs 6 x 10^4 cal of heat at higher temperature. Amount of heat converted to work is An ideal gas heat engine operates in Carnot cycle between 227°C and 127°C. It absorbs 6 x 10^4 cal of heat at higher temperature. [...]
A Carnot engine whose sink is at 300 K has an efficiency of 40%. By how much should the temperature of source be increased so as to increase its efficiency by 50% of original efficiency?
31
Aug
A Carnot engine whose sink is at 300 K has an efficiency of 40%. By how much should the temperature of source be increased so as to increase its efficiency by 50% of original efficiency? A Carnot engine whose sink is at 300 K has an efficiency of 40%. By how much should the temperature [...]
An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62°C, its efficiency is doubled. Temperatures of the source is
31
Aug
An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62°C, its efficiency is doubled. Temperatures of the source is An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62°C its efficiency is doubled. Temperatures of the source is August 31, 2020 Category: Chapter [...]
The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is -20 degree C, the temperature of the surroundings to which it rejects heat is :
31
Aug
The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is -20 degree C, the temperature of the surroundings to which it rejects heat is : The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is -20 degree C the temperature of the surroundings to which [...]
A Carnot engine, having an efficiency of n = 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
31
Aug
A Carnot engine, having an efficiency of n = 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 A Carnot engine having an efficiency of n = 1/10 as heat engine is used as [...]