- Reaction score
go toHi can i know why question 10 the answer is A. How do u do this type of grpahs questions?
A positively charged oil droplet falls in air in a uniform electric field that is vertically upwards. The droplet has a constant terminal speed v0 and the electric field strength is E.Physics Reference - A-Level 9702, Past Exam Paper Solutions ..physics-ref.blogspot.com