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[" 7.If the momentum of electron is chan...

[" 7.If the momentum of electron is changed by "P" ,"],[" then the de Broglie wavelength associated with "],[" it changes by "0.5%" .The initial momentum of "],[" electron will be: "],[[" (a) "200P," (b) "400P],[" (c) "(P)/(200)," (d) "100P]]

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