Two containers A and B are partly filled with water and closed. The volume of A is twice that of B and it contains half the amount of water in B. If both are at the same temperature, the water vapour in the containers will have pressure in the ratio of [1988]
At constant volume, temperature is increased then
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A polyatomic gas with n degrees of freedom has a mean energy per molecule given by [1989]
For a certain gas the ratio of specific heats is given to be γ = 1.5. For this gas [1990]
According to kinetic theory of gases, at absolute zero temperature [1990]
One mole of an ideal monoatomic gas requires 207 J heat to raise the temperature by 10 K when heated at constant pressure. If the same gas is heated at constant volume to raise the temperature by the same 10 K, the heat required is [Given the gas constant R = 8.3 J/ mol. K] [1990]
Relation between pressure (P) and energy (E) of a gas is [1991]
Three containers of the same volume contain three different gases. The masses of the molecules are m_{1}, m_{2} and m_{3 }and the number of molecules in their respective containers are N_{1}, N_{2 }and N_{3}. The gas pressure in the containers are P_{1}, P_{2} and P_{3 }respectively. All the gases are now mixed and put in one of these containers.The pressure P of the mixture will be [1991]
The number of translational degrees of freedom for a diatomic gas is [1993]
The temperature of a gas is raised from 27°C to 927°C.The root mean square speed is [1994]
The equation of state, corresponding to 8g of O_{2} is[1994]
If C_{s} be the velocity of sound in air and C be the r.m.s velocity, then [1994]
At 0 K, which of the following properties of a gas will be zero? [1996]
The degree of freedom of a molecule of a triatomic ga s is[1999]
The equation of state for 5 g of oxygen at a pressure P and temperature T, when occupying a volume V, will be [2004]
At 10° C the value of the density of a fixed mass of an ideal gas divided by its pressure is x. At 110°C this ratio is: [2008]
In the given (V – T) diagram, what is the relation between pressure P_{1} and P_{2} ? [NEET 2013]
The amount of heat energy required to raise the temperature of 1g of Helium at NTP, from T_{1}K to T_{2}K is [NEET 2013]
In a vessel, the gas is at a pressure P. If the mass of all the molecules is halved and their speed is doubled, then the resultant pressure will be [NEET Kar. 2013]
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