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Calculate the momentum of electrons if t...

Calculate the momentum of electrons if their wavelengths is `2Å` . Given`: h = 6.626 xx 10^(-34) Js` and `m = 9.1 xx 10^(-31) kg`

Text Solution

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Momentum, `p = ( h )/( lambda ) = ( 6.626 xx 10^(-34))/( 2 xx 10^(-10) ) kg ms^(-1)`
`= 3.313 xx 10^(-34) kg ms^(-1)`
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