JEE Mains Physics 2002-2019 Solved Video Solutions
An ideal gas is enclosed in a cylinder at pressure of 2 atm and temperature, 300 K. The mean time between two successive collisions is 6 × 10^–8 s. If the pressure is doubled and temperature is increased to 500 K, the mean time between two successive collisions will be close to :
11
Sep
An ideal gas is enclosed in a cylinder at pressure of 2 atm and temperature, 300 K. The mean time between two successive collisions is 6 × 10^–8 s. If the pressure is doubled and temperature is increased to 500 K, the mean time between two successive collisions will be close to : 300 K. [...]
An ideal gas occupies a volume of 2m^3 at a pressure of 3 × 10^6 Pa. The energy of the gas is :
11
Sep
An ideal gas occupies a volume of 2m^3 at a pressure of 3 × 10^6 Pa. The energy of the gas is : An ideal gas occupies a volume of 2m^3 at a pressure of 3 × 10^6 Pa. The energy of the gas is : September 11, 2021 Category: Chapter 9 - Kinetic Theory [...]
In a process, temperature and volume of one mole of an ideal monoatomic gas are varied according to the relation VT = K, where K is a constant. In this process the temperature of the gas is increased by Delta T. The amount of heat absorbed by gas is (R is gas constant)
11
Sep
In a process, temperature and volume of one mole of an ideal monoatomic gas are varied according to the relation VT = K, where K is a constant. In this process the temperature of the gas is increased by Delta T. The amount of heat absorbed by gas is (R is gas constant) In a [...]
A gas mixture consists of 3 moles of oxygen and 5 moles of argon at temperature T. Considering only translational and rotational modes, the total internal energy of the system is :
11
Sep
A gas mixture consists of 3 moles of oxygen and 5 moles of argon at temperature T. Considering only translational and rotational modes, the total internal energy of the system is : A gas mixture consists of 3 moles of oxygen and 5 moles of argon at temperature T. Considering only translational and rotational modes [...]
A rigid diatomic ideal gas undergoes an adiabatic process at room temperature. The relation between temperature and volume for this process is TVx = constant, then x is :
11
Sep
A rigid diatomic ideal gas undergoes an adiabatic process at room temperature. The relation between temperature and volume for this process is TVx = constant, then x is : A rigid diatomic ideal gas undergoes an adiabatic process at room temperature. The relation between temperature and volume for this process is TVx = constant then [...]
Half mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from 20ºC to 90ºC. Work done by gas is close to : (Gas constant R = 8.31 J/mol.K)
11
Sep
Half mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from 20ºC to 90ºC. Work done by gas is close to : (Gas constant R = 8.31 J/mol.K) Half mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from 20ºC to 90ºC. Work done by [...]
Two kg of a monoatomic gas is at a pressure of 4 × 10^4 N/m^2. The density of the gas is 8 kg/m^3. What is the order of energy of the gas due to its thermal motion?
11
Sep
Two kg of a monoatomic gas is at a pressure of 4 × 10^4 N/m^2. The density of the gas is 8 kg/m^3. What is the order of energy of the gas due to its thermal motion? Two kg of a monoatomic gas is at a pressure of 4 × 10^4 N/m^2. The density of [...]
A 15g mass of nitrogen gas is enclosed in a vessel at a temperature 27°C . Amount of heat transferred to the gas, so that rms velocity of molecules is doubled, is about: [Take R = 8.3J/K mole]
11
Sep
A 15g mass of nitrogen gas is enclosed in a vessel at a temperature 27°C . Amount of heat transferred to the gas, so that rms velocity of molecules is doubled, is about: [Take R = 8.3J/K mole] A 15g mass of nitrogen gas is enclosed in a vessel at a temperature 27°C . Amount [...]
A mixture of 2 moles of helium gas (atomic mass = 4u), and 1 mole of argon gas (atomic mass = 40u) is kept at 300K in a container. The ratio of their rms speeds [Vrms(helium)/Vrms((argon)]is close to :
11
Sep
A mixture of 2 moles of helium gas (atomic mass = 4u), and 1 mole of argon gas (atomic mass = 40u) is kept at 300K in a container. The ratio of their rms speeds [Vrms(helium)/Vrms((argon)]is close to : A mixture of 2 moles of helium gas (atomic mass = 4u) and 1 mole of [...]
The number density of molecules of a gas depends on their distance r from the origin as, n(r)=n0e^−αr4 Then the total number of molecules is proportional to :
11
Sep
The number density of molecules of a gas depends on their distance r from the origin as, n(r)=n0e^−αr4 Then the total number of molecules is proportional to : n(r)=n0e^−αr4 Then the total number of molecules is proportional to : The number density of molecules of a gas depends on their distance r from the origin [...]