JEE AdvancedPhysicsHeat and ThermodynamicsMultiple correct+4 / −2
A container of fixed volume has a mixture of one mole of hydrogen and one mole of helium in equilibrium at temperature T. Assuming the gases are ideal, the correct statement(s) is(are)
- AThe average energy per mole of the gas mixture is 2RT
- BThe ratio of speed of sound in the gas mixture to that in helium gas is
- CThe ratio of the rms speed of helium atoms to that of hydrogen molecules is
- DThe ratio of the rms speed of helium atoms to that of hydrogen molecules is
More from Heat and Thermodynamics
- An ideal monoatomic gas is confined in a horizontal cylinder by a spring loaded piston (as shown in the figure). Initially the gas is at temperature T1, pressure P1 and volume V1 and the spring is in its relaxed state. The gas is then… Includes diagram2015 · Multiple correct
- A thermodynamic system is taken from an initial state i with internal energy Ui = 100 J to the final state f along two different paths iaf and ibf, as schematically shown in the figure. The work done by the system along the paths af, ib… Includes diagram2014 · Numerical
- Parallel rays of light of intensity = 912 Wm–2 are incident on a spherical black body kept in surroundings of temperature 300 K. Take Stefan-Boltzmann constant = 5.7 10–8 Wm–2K–4 and assume that the energy exchange with…2014 · MCQ
- In the figure a container is shown to have a movable (without friction) piston on top. The container and the piston are all made of perfectly insulating material allowing no heat transfer between outside and inside the container. The… Includes diagram2014 · MCQ
- In the figure a container is shown to have a movable (without friction) piston on top. The container and the piston are all made of perfectly insulating material allowing no heat transfer between outside and inside the container. The… Includes diagram2014 · MCQ
- Two non-reactive monoatomic ideal gases have their atomic masses in the ratio 2 : 3. The ratio of their partial pressures, when enclosed in a vessel kept at a constant temperature, is 4 : 3. The ratio of their densities is2013 · MCQ
- Two rectangular blocks, having identical dimensions, can be arranged in either configuration-I or configuration-II as shown in the figure. One of the blocks has thermal conductivity and the other 2 . The temperature… Includes diagram2013 · MCQ
- The figure below shows the variation of specific heat capacity (C) of a solid as a function of temperature (T). The temperature is increased continuously from 0 to 500 K at a constant rate. Ignoring any volume change, the following… Includes diagram2013 · Multiple correct