A-LevelPhysicsElectric fields9702/12 · Oct/Nov 2012 · Q331 Mark
A single proton travelling with a constant horizontal velocity enters a uniform electric field between two parallel charged plates. In the diagram, B shows the path taken by the proton. [Figure showing paths of charged particles in an electric field] Which path is taken by a helium nucleus that enters the electric field at the same point and with the same velocity as the proton?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
A[Path A]
B[Path B]
C[Path C]
D[Path D]
✓ Correct answer
C: [Path C]
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