Q11.7Multiple choice
An electron (mass m ) with an initial velocity v = v 0ˆi (v 0 > 0) is in an electric field E = – E ˆi(E = constant > 0 ) . It’s de Broglie 0 0 wavelength at time t is given by λ0
- (a)eE 0 t 1 + m v 0 eE 0t
- (b)λ0 1 + mv 0
- (c)λ0
- (d)λ0t.