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Calculate the wavelength of an electron ...

Calculate the wavelength of an electron moving with a velocity of `2.7xx10^(7) ms^(-1)`.

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`lambda=(h)/(mv)=(6.626xx10^(-34)Js)/(9.11xx10^(-31)kg xx 2.7xx10^(7) ms^(-1))=2.69xx10^(-11)m`
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