Question

4.
An electron of mass m with an initial velocity
V = Voi (Vo > 0) enters an electric field E =-Eoi
(E. = constant > 0) at t = 0. If no is its de-Broglie
wavelength initially, then its de-Broglie wavelength
at time t is
[NEET - 2018]
no
(1) (1 etot)
Ano mro )
(2) 20/1+ eto
mvo
(3) to
(4) at​

Answer 1

that's the correct answer

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