A-LevelPhysicsWork, energy and powerMay/June 2010Paper 1 Q41 Mark
An ion is accelerated by a series of electrodes in a vacuum. A graph of the power supplied to the ion is plotted against time. What is represented by the area under the graph between two times?
Athe change in kinetic energy of the ion
Bthe average force on the ion
Cthe change in momentum of the ion
Dthe change in velocity of the ion
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of work, energy and power within the Physicssyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
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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