Which of the following statement(s) is/a...

Which of the following statement(s) is/are true?

The ratio of rms speed to average speed is independent of temperature

Average kinetic energy is independent of the change in temperature

The difference between rms and most probable speed increases on increase in temperature

The rms speed is higher for He than for `H_2` at a given temperature

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The correct Answer is:

A, C

`(U_(rms))/(U_(av)) = sqrt((3pi)/(8)) , U prop 1/(sqrtM)`

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