The kinetic energy of a non-relativistic electron is doubled

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Modern Physics · Modern Physics

Problem

The kinetic energy of a non-relativistic electron is doubled. By what factor does its de Broglie wavelength change? (a) It becomes

\sqrt{2}

times its original value (b) It becomes

\dfrac{1}{\sqrt{2}}

of its original value (c) It becomes

\dfrac{1}{2}

of its original value (d) It remains unchanged