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If f₁ and f₂ are the fraction of oxygen molecules in the lower range and higher range of speeds, then on increasing temperature of the gas which of the following facts is observed ?

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f₁ increases and f₂ decreases

f₁decreases and f₂ increases

Both f₁and f₂increase

Both f₁ and f₂ decrease

answer is C.

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Detailed Solution

In a gas, the speed of the molecules is directly proportional to temperature. In other words, as the temperature of a gas sample rises, the molecules quicken, and as a result, the root mean square molecular speed rises.

Hence Both f1 and f2 increase

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