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Calculate the wavelength of an electron moving with a velocity of 2.05 × 107 m S-1. |
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Answer» λ = \(\frac{h}{mv}\) = \(\frac{6.626\times 10^{-34}Js}{9.1\times10^{-31}kg \times 2.05 \times 10^7ms^{-1}}\) = 3.55 x 10-11m. |
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