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Quantum theory — Question 46

Original QCE Vault practice · 1 mark

Q46 · Practice questionComplex familiar1 mark

QUESTION 46

An electron travels at 2.0×106 m s−12.0\times10^6\,\text{m s}^{-1}. Its de Broglie wavelength is closest to
(A)
3.64×10−12 m3.64\times10^{-12}\,\text{m}
(B)
3.64×10−10 m3.64\times10^{-10}\,\text{m}
(C)
7.28×10−10 m7.28\times10^{-10}\,\text{m}
(D)
1.82×10−9 m1.82\times10^{-9}\,\text{m}
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