A-LevelPhysicsElectric fieldsOct/Nov 2018Paper 1 Q111 Mark
A positively-charged particle of negligible mass, moving at constant velocity v in a vacuum, enters a uniform electric field between two parallel plates, as shown. [Figure 11.1] A short time later, the particle is at the position shown. [Figure 11.2] Which diagram represents the force or forces acting on the particle?
Adiagram showing a single downward force acting on the particle.
Bdiagram showing a single upward force acting on the particle.
Cdiagram showing a single force to the right acting on the particle.
Ddiagram showing a single force to the left acting on the particle.
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of electric fields within the Physicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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