IIT JEE Questions And Answers :: Kinetic Theory Of Gases: part1



IIT JEE : Kinetic Theory Of Gases QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2014 examinations :

1.On the basis of kinetic theory of gases, the mean K.E. of 1 mole per degree of freedom is

1/2RT
3/2RT
1/2kT
3/2kT

2.A sample of a perfect gas occupies a volume V at a pressure P and absolute temperature T. The mass of each molecule is m. Which of the following expressions gives the number of molecules in the sample ?

PV/m
k/PVT
mk
PV/kT

3.A gas is filled in a cylinder. Its temperature is increased by 20% on Kelvin scale and volume is reduced by 10%. How much percentage of the gas has to take for pressure to remain constant ?

30%
40%
15%
25%

4.A sample of an ideal gas occupies volume V at a pressure P and absolute temperature T. The mass of each molecule is m. Which of the following expressions gives the density of the gas ?

P / kT
Pm / kT
m / kT
P / kTV

5.The temperature, at which r. m. s. velocity of helium molecules is equal to the r. m. s. velocity of hydrogen molecules at NTP, is

100 K
300 K
502 K
546 K

More Kinetic Theory Of Gases QUESTIONS AND ANSWERS available in next pages

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