An electron of mass 'm' with an initial velocity v=v₀ i (v₀>0) enters an electric field E=-E₀ k. If the initial de Broglie wavelength is λ₀, the value after time t would be

(C) (λ₀)/(√(1+(e²E₀²t²)/(m²v₀²)))

(B) (λ₀)/(√(1-(e²E₀²t²)/(m²v₀²)))

(D) λ₀√(1+(e²E₀²t²)/(m²v₀²))

Dual Nature of Matter and Radiation: JEE Main 2025 Physics question

JEE Main 2025 · 24 Jan, Morning shift · Q36

JEE Main 202524 Jan, Morning shiftPhysicsEasyDual Nature of Matter and Radiation146× since 2002

An electron of mass 'm' with an initial velocity

\vec v=v_0\hat i\ (v_0>0)

enters an electric field

\vec E=-E_0\hat k

. If the initial de Broglie wavelength is

\lambda_0

, the value after time t would be

JEE Main 2025 Dual Nature of Matter and Radiation Question with Solution (24 Jan Morning shift, Q36) | JEE Arc