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Calculate the wavelength associated with...

Calculate the wavelength associated with electrons whose speed is `2%` of the speed of light.

Text Solution

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Data supplied,
`v=3xx10^(8) xx (2)/(100)=6xx10^(6)ms^(-1), m=9.1xx10^(-31)kg, h = 6.625xx10^(-34)Js`
`lambda=(h)/(mv)=(6.625xx10^(-34))/(9.1xx10^(-31)xx6xx10^(6))=1.213A^(@)`
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