Question

An electron, a proton, an alpha particle and a hydrogen Atom
are moving with the same kinetic energy. The associated
De-Broglie wavelength will be longest for.......
a) Electron
b) Proton
c) Alpha particle
d) Hydrogen Atom​

Answer 1

Answer:

Since the mass for an electron is smallest among the given particles. Therefore, the associated wavelength will be longest for an electron.

Explanation:

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