1. A large flat metal surface has uniform charge density + σ. An electron of mass m and charge e leaves the surface at point A with speed ν, and return to it at point B. The maximum value of AB is 1) νm∈0σe 2) ν2m∈0eσ 3) ν2e∈0σm 4) ν2σe∈0m

Kriti , 5 Years ago

Grade 12th pass