Answer :

Given:


Temperature, T = 27° C = 300 K


Mean separation between electrons, r = 2 × 10-10 m


De-Broglie wavelength of electron is given by,


…(1)


Where,


h = Planck’s constant = 6.6 × 10-34 Js


m = mass of electron = 9.1 × 10-31 Kg


k = Boltzmann constant = 1.38 × 10-23 Jmol-1K-1


T = absolute temperature


Putting the values in equation(1), we get,



λ = 6.2 × 10-9 m


The De-Broglie wavelength is much larger than the interelectronic separation.


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