Calculate the de Broglie wavelength of an electron that has been accelerated from rest through a....

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Calculate the de Broglie wavelength of an electron
\( \mathrm{P} \)
that has been accelerated from rest through a potential difference of \( 1 \mathrm{kV} \)
(1) \( 3.87 \times 10^{-11} \mathrm{~m} \)
(2) \( 4.62 \times 10^{-10} \mathrm{~m} \)
(3) \( 6.3 \times 10^{-10} \mathrm{~m} \)
(4) \( 5.11 \times 10^{-11} \mathrm{~m} \)


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