An electron of mass m with an initial velocity v→=v0→i∧(v0>0) enters an electric field E→=−E0→i∧ (Eο = constant >0 ) at t = 0 . if λ0 is its de – Broglie wavelength initially, then its de – Broglie wavelength at time t is

λ0=hmv0 a→=F→m=v=v0+at ∴ λ=hmv

An electron of mass m with an initial velocity v→=v0→i∧(v0>0) enters an electric field E→=−E0→i∧ (Eο = constant >0 ) at t = 0 . if λ0 is its de – Broglie wavelength initially, then its de – Broglie wavelength at time t is

λ0=hmv0 a→=F→m=v=v0+at ∴ λ=hmv

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An electron of mass m with an initial velocity $\vec{v} = \vec{v_{0}} \overset{\land}{i} (v_{0} > 0)$ enters an electric field $\vec{E} = - \vec{E_{0}} \overset{\land}{i}$ ( $E_{ο}$ = constant >0 ) at t = 0 . if $λ_{0}$ is its de – Broglie wavelength initially, then its
de – Broglie wavelength at time t is

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$λ_{0}$

$λ_{0} (1 + \frac{e E_{0}}{m v_{0}} t)$

$λ_{0} t$

$\frac{λ_{0}}{(1 + \frac{e E_{0}}{m v_{0}} t)}$

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$λ_{0} = \frac{h}{m v_{0}} \vec{a} = \frac{\vec{F}}{m} = v = v_{0} + a t ∴ λ = \frac{h}{m v}$

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An electron of mass m with an initial velocity v→=v0→i∧(v0>0) enters an electric field E→=−E0→i∧ (Eο = constant >0 ) at t = 0 . if λ0 is its de – Broglie wavelength initially, then its de – Broglie wavelength at time t is

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