JEE Main & Advanced
Chemistry
Structure of Atom / परमाणु संरचना
Question Bank
Mock Test - Atomic Structure
question_answer
The atomic masses of He and Ne are 4 and 20 a.m.u., respectively. The value of the de Broglie wavelength of He gas at \[-73{}^\circ C\] is "M" times that of the de Broglie wavelength of Ne at \[727{}^\circ C\]. M is