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Calculate the de Broglie wavelength asso...

Calculate the de Broglie wavelength associated with an electron moving with velocity of `1.0xx10^(7)m//s`. (mass of an electron: `9.1xx10^(-31)kg`)

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de Broglie wavelength, `lamda=(h)/(mv)` [h=planck's constant, m=mass of an electron, v=velocity of an electron]
`therefore lamda lamda=(6.626xx10^(-34))/(9.1xx10^(-31)xx1.0xx10^(7))=7.281xx10^(-11)m`
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