JEE Advanced 2013 Paper 1 Chemistry Q20

Chemistry · Gases, Kinetic Theory & Transport

Problem

The atomic masses of

He

and

Ne

are 4 and

20\,\mathrm{a.m.u.}

, respectively. The value of the de Broglie wavelength of

He

gas at

-73\,^{\circ}\mathrm{C}

is "

M

" times that of the de Broglie wavelength of

Ne

727\,^{\circ}\mathrm{C}

M