For a given K.E. which of the following has smallest de-Brog... | PHYSICS - DE BROGLIE'S EXPLANATION OF BOHR'S SECOND POSTULATE OF QUANTISATION | SolveeIt | Solveeit

Today, August 19

Question

For a given K.E. which of the following has smallest de-Broglie wavelength?

A

Electron

B

Proton

C

Deuteron

D

a-particle

Answer

a-particle

Explanation

Solution

l = $\frac{h}{\sqrt{2mE}}$

l µ $\frac{1}{\sqrt{m} \downarrow}$