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Calculate the wavelength a particle of m...

Calculate the wavelength a particle of mass `m = 6.6 xx 10^(-27) kg` moving with kinetic energy `7.425 xx 10^(-13) J` ` h = 6.6 xx 10^(-34) kg m^(2) s ^(-1)`

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The correct Answer is:
`lambda=(h)/sqrt(2mK.E)=(6.6xx10^(-34))/sqrt(2xx6.6xx10^(-27)xx7.425xx10^(-13))=6.67xx10^(-15)m`
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