Physics (AS & A Level) · May / June 2020 · Paper 11 · Question 32

A charged particle is in a vacuum between two horizontal metal plates as shown. The acceleration of the particle is 7.15 × 10^11 m s^–2 downwards. The particle has a mass of 3.34 × 10^–27 kg. What is the charge on the particle?

1. A+1.6 × 10^–19 C
2. B–1.6 × 10^–19 C
3. C+1.6 × 10^–17 C
4. D–1.6 × 10^–17 C

As printed in the paper