Consider the following graph about Maxwell's distribution of speeds at two different temperatures T1 and T2.
Select the correct statements regarding the characteristics of the curves
A
The maxima of the curve shifts towards right as the temperature is raised
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B
If molecules enter the sample the total area under the curve would increase
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C
The area under the curve will increase with increase in molar mass of the gas
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D
The area under the curve is independent of temperature
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Solution
The correct option is D The area under the curve is independent of temperature
U=√2RTM where U is the most probable velocity, when the temperature is increased the maxima will shift right
The area under the curve is independent of the molar mass of a gas and its temperature
The area under the curve is representative of the total number of molecules. Hence, if molecules enter the sample, the area under the curve will increase