An electron (mass m) with initial velocity [IMAGE] is in an electric field [IMAGE] If [IMAGE] is initial de-Broglie wavelength of electron, its de-Broglie wave length
at time t is given by

Show answer and solution

Initially [IMAGE] Velocity as a function of time [IMAGE] so wavelength [IMAGE]

Source: Grass-G / P-15 Physics paper 11 Nov.docx

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