Kinetic Theory Of Gases QUESTIONS AND ANSWERS

IIT JEE : Kinetic Theory Of Gases QUESTIONS AND ANSWERS :: part1 : 6 to 10

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

6.We have a jar A filled with gas characterised by parameters P, V and T and another jar B filled with a gas with parameters 2P, V/4 and 2T, where the symbols have the usual meanings. The ratio of the number of molecules in jar A to those in jar B is

1 : 1

1 : 2

2 : 1

4 : 1

7.The mean translational kinetic energy of a perfect gas molecule at the temperature T K is

1/2 kT

3/2 kT

2 kT

8.The X-components of velocity of some particles (in km/s) came to 10,8,6,4,2,0, - 2, - 4, - 6, - 8, - 10.The root mean square (r.m.s.) velocity calculated from these data (in km/s) is nearest to

4.6

5.4

6.3

9.What is the ratio of the r.m.s. speeds of the molecules of a gas at 200 K and 800 K ?

1 : 1

1 : 2

1 : 4

1 : 8

10.By what percentage should the pressure of a given mass of a gas be increased so as to decrease its volume by 10% at a constant temperature ?

8.1%

9.1%

10.1%