CAPE Physics Unit 2 · 2007 (Specimen) · Paper 1 · Question Q37
An object of mass m has kinetic energy, E_k. Which of the following is a correct expression for its de Broglie wavelength?
- (A)
\lambda = E_k / h - (B)
\lambda = h(2mE_k)^{\frac{1}{2}} - (C)
\lambda = \frac{h}{(2mE_k)^{\frac{1}{2}}} - (D)
\lambda = \frac{2h}{(mE_k)^{\frac{1}{2}}}
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