JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1
Two moles of an ideal gas with are mixed with 3 moles of another ideal gas with . The value of for the mixture is :
- A1.50
- B1.45
- C1.47
- D1.42
More from Heat and Thermodynamics
- A non-isotropic solid metal cube has coefficients of linear expansion as : 5 10-5/oC along the x-axis and 5 10-6/oC along the y and the z-axis. If the coefficient of volume expansion of the solid is C 10-6/oC…2020 · Numerical
- M grams of steam at 100oC is mixed with 200 g of ice at its melting point in a thermally insulated container. If it produced liquid water at 40oC [heat of vaporization of water is 540 cal/g and heat of fusion of ice is 80 cal/g] the value…2020 · Numerical
- Under an adiabatic process, the volume of an ideal gas gets doubled. Consequently the mean collision time between the gas molecule changes from to . If for this gas then a good…2020 · MCQ
- A thermodynamic cycle xyzx is shown on a V-T diagram. The P-V diagram that best describes this cycle is : (Diagrams are schematic and not to scale) Includes diagram2020 · MCQ
- 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)2020 · MCQ
- 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