An electron of mass m with an initial velocity V^{\to}=V_0i^{∧}(V_0 > 0) enter an electric field E^{\to}=-E_0i^{∧}(E_0=\text{constant} > 0) at t=0.If \lambda_0 is its de-Broglie wavelength initially, then its de-Broglie wavelength at time t is [NEET 2018]

Correct Answer is : λ0(1+eE0mV0t)

\lambda_0/(1+\frac{eE_0}{mV_0}t)

\lambda_0(1+\frac{eE_0}{mV_0}t)

NEET 2018 Physics and Chemistry

Question : 21 of 90

Marks: +1, -0

An electron of mass m with an initial velocity

→

=V0

∧

(V0>0) enter an electric field

→

=−E0

∧

(E0=constant>0) at t=0.If λ0 is its de-Broglie wavelength initially, then its de-Broglie wavelength at time t is

[NEET 2018]

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