Physics
The molecules of a given mass of a gas have r.m.s velocity of 200ms^−1 at 27C and 1.0 × 10^5 Nm^−2 pressure. When the temperature and pressure of the gas are respectively, 127C and 0.05 × 10^5 Nm^−2, the r.m.s. velocity of its molecules in ms^−1 is:
01
Sep
The molecules of a given mass of a gas have r.m.s velocity of 200ms^−1 at 27C and 1.0 × 10^5 Nm^−2 pressure. When the temperature and pressure of the gas are respectively, 127C and 0.05 × 10^5 Nm^−2, the r.m.s. velocity of its molecules in ms^−1 is: 127C and 0.05 × 10^5 Nm^−2 The molecules [...]
At what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the Earth’s atmosphere?(Given: Mass of oxygen molecule(m) = 2.76 × 10^−26 kg Boltzmann’s constant kB = 1.38 × 10^−23 J K^−1)
01
Sep
At what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the Earth’s atmosphere?(Given: Mass of oxygen molecule(m) = 2.76 × 10^−26 kg Boltzmann’s constant kB = 1.38 × 10^−23 J K^−1) Which of the following processes is reversible ? September 1, 2020 Category: Chapter 19 - KTG , NEET [...]
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 [...]
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 [...]