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Show graphically, the variation of the d...

Show graphically, the variation of the de-Broglie wavelength `(lamda)` with the potential (V) through which an electron is accelerated from rest.

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Ad de-Broglie wavelength `lamda` of an electron accelerated with a potential of V is given by:
`lamda=(h)/(sqrt(2emV))`, hence `lamda-V` graph is shown in figure
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