GATE Physics - GATE 2017-2018 Questions and Answers

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Consider a gas of atoms obeying Maxwell-Boltzmann statistics. The average value of

over all the momenta

of each of the particles (where

is a constant vector and a is its magnitude, m is the mass of each atom, T is temperature and k is Boltzmann's constant) is,

One

Zero

e^{(-1/2 a² m k T)}

e^{(-3/2 a² m k T)}

Answer : Option C

Explanation :

-NA-

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