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Two gases are at absolute temperatures 300K and 350K respectively. What is the ratio of average kinetic energy of their molecules?

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Two gases are at absolute temperatures 300K and 350K respectively. What is the ratio of average kinetic energy of their molecules?

(a) 7:6

(b) 6:7

(c) 36:49

(d) 49:36

This question was addressed to me during a job interview.

The query is from Ideal Gases topic in portion Kinetic Theory of Gases of Engineering Physics I

1 Answer

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Best answer
Right option is (b) 6:7

Best explanation: E1/E2 =T1/T2

300/350=6/7

6:7.

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