JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1
The plot that depicts the behavior of the mean free time t (time between two successive collisions) for the molecules of an ideal gas, as a function of temperature (T), qualitatively, is: (Graphs are schematic and not drawn to scale)
- A

- B

- C

- D

More from Heat and Thermodynamics
- Consider a mixture of n moles of helium gas and 2n moles of oxygen gas (molecules taken to be rigid) as an ideal gas. Its CP/CV value will be :2020 · MCQ
- Three containers C1, C2 and C3 have water at different temperatures. The table below shows the final temperature T when different amounts of water (given in litres) are taken from each containers and mixed (assume no loss of heat during… Includes diagram2020 · Numerical
- Which of the following is an equivalent cyclic process corresponding to the thermodynamic cyclic given in the figure ? where, 1 2 is adiabatic. (Graphs are schematic and are not to scale) Includes diagram2020 · MCQ
- Consider two ideal diatomic gases A and B at some temperature T. Molecules of the gas A are rigid, and have a mass m. Molecules of the gas B have an additional vibrational mode, and have a mass . The ratio of the specific…2020 · MCQ
- Starting at temperature 300 K, one mole of an ideal diatomic gas (= 1.4) is first compressed adiabatically from volume V1 to V2 =. It is then allowed to expand isobarically to volume 2V2. If all the processes…2020 · Numerical
- Two gases-argon (atomic radius 0.07 nm, atomic weight 40) and xenon (atomic radius 0.1 nm, atomic weight 140) have the same number density and are at the same temperature. The raito of their respective mean free times is closest to :2020 · MCQ
- A thermally insulated vessel contains 150g of water at 0°C. Then the air from the vessel is pumped out adiabatically. A fraction of water turns into ice and the rest evaporates at 0°C itself. The mass of evaporated water will be closest to…2019 · MCQ
- Two identical beakers A and B contain equal volumes of two different liquids at 60°C each and left to cool down. Liquid in A has density of 8 × 102 kg/m3 and specific heat of 2000 J kg–1 K–1 while liquid in B has density of 103 kg m–3 and…2019 · MCQ