Question 50
ElectrostaticsA particle is injected perpendicularly into an electric field. It travels along a curved path as depicted in the figure above. The particle is
- A.a gamma ray
- B.an electron
- C.a neutron
- D.a proton
Show the answer and explanation
Answer: B (an electron)
Explanation
The field points up the page but the particle bends downwards, against the field, so it is negatively charged: an electron.