1.

In Maxwell-Boltzmann distribution, the fraction of gas molecules having energy between E and E + dE is proportional to

A. \({E^{\frac{1}{2}}}\exp \left( { - \frac{E}{{kT}}} \right)\)
B. \({E^{\frac{3}{2}}}\exp \left( { - \frac{E}{{kT}}} \right)\)
C. \({E^{\frac{1}{2}}}\)
D. \({E^{\frac{3}{2}}}\exp \left( {\frac{E}{{kT}}} \right)\)
Answer» B. \({E^{\frac{3}{2}}}\exp \left( { - \frac{E}{{kT}}} \right)\)


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