The de Broglie wavelength of an electron having kinetic energy E is λ. If the kinetic energy of electron becomes E4, then its de-Broglie wavelength will be:

Question

The de Broglie wavelength of an electron having kinetic energy

E

λ

. If the kinetic energy of electron becomes

\frac{E}{4}

, then its de-Broglie wavelength will be:

\sqrt{2} λ

\frac{λ}{\sqrt{2}}

\frac{λ}{2}

2 λ

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