An electron (mass m) with an initial velocity `V=v_0hati(v_0 > 0)` is in an electric field 0 0 ˆ `E = –E_0hati ( E_0constant > 0)` . It’s de Broglie wavelength at time t is given

Question

An electron (mass m) with an initial velocity `V=v_0hati(v_0 > 0)` is in an electric field 0 0 ˆ `E = –E_0hati ( E_0constant > 0)` . It’s de Broglie wavelength at time t is given by

Options:
(a) `λ_0/((1+(eE_0t)/(mV_0))`
(b) `λ_0(1+(eE_0t)/(mV_0))`
(c) `λ_0`
(d) `λ_0t`.