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qUESTIONS

In the above question, if Ɣ = 1.5, the gas may

A gaseous mixture contains equal number of hydrogen and nitrogen molecules. Specific heat measurements on this mixture at temperature below 150 K would indicate the value of y = Cp/Cv for the mixture as

The mean kinetic energy of a gas at 300 k is 100 J. The mean energy of the gas at 450 k is equal to

At what temperature is the kinetic energy of a gas molecule double that of its value of 27°C

To what temperature should the hydrogen at room temperature (27°C) be heated at constant pressure so that the RMS velocity of its molecules becomes double of its previous value

10 moles of an ideal monoatomic gas at 10°C is mixed with 20 moles of another monoatomic gas at 20°C. Then the temperature of the mixture is

Two spherical black bodies have radii R1 and R₂. Their surface temperatures are T1K and T₂K respectively. If they radiate same power, the ratio R1/R2 is

A rectangular black body of temperature 127°C has surface area 6 cm x 3 cm and rate of radiation ‘E’. If its temperature is increased by 400°C and surface area is reduced to half the initial value then rate of radiation is

Equal volumes of two gases, having their densities in the ratio of 1: 16 exert equal pressures on the walls of two containers. The ratio of their r.m.s. speeds (C1/C2) is (C₁, C₂ are the r.m.s. speeds of two gases respectively):

A monoatomic gas (Ɣ=5/3) initially at 27°C having volume ‘V is suddenly compressed to one-eighth of its original volume (v/8) After the compression temperature becomes

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