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

1.	Which of the following statement(s) is/are true?
Answer» 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 SOLUTION :`(U_(rms))/(U_(av))= SQRT((3pi)/(8)) , U prop 1/(sqrtM)`

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