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Which of the following is not an assumption of KTG?

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in Physics – Class 11 by (74.2k points)
Which of the following is not an assumption of KTG?

(a) Time spent during collision is negligibly small

(b) All gases are made up of molecules moving randomly in all directions

(c) Molecules do not collide with each other

(d) Molecules collide elastically with the wall

The question was asked during a job interview.

My doubt is from Kinetic Theory of an Ideal Gas topic in chapter Kinetic Theory of Physics – Class 11

1 Answer

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Right choice is (c) Molecules do not collide with each other

Easiest explanation: According to KTG, molecules collide elastically with each other and with the walls of the container. The other given assumptions are true. These assumptions help to develop a model of molecular behavior of an ideal gas.

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