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The photoelectric effect revisited

In this series of articles, Rick Marshall looks at some key discoveries. Here he discusses the photoelectric effect

The terms in bold link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the IB, Pre-U and SQA exam specifications.

The principle of conservation of energy reveals a systematic error in the usual textbook formula relating stopping potential to work function of a metal in experiments involving the photoelectric effect.

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