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Calculate de Broglie wavelength associat...

Calculate de Broglie wavelength associated with an electron moving with a speed of `2 xx 10^(5) ms^(-1)`. Given `h = 6.625 xx 10^(-34)JS, m_(e) = 9.11 xx 10^(-31)kg`.

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`lambda = (h)/(m v) = (6.625 xx 10^(-34))/(9.11 xx 10^(-31) xx 2 xx 10^(5)) = 3.636 xx 10^(-9) m`
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