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Physics A Level Pearson's Edexcel > Example Questions > Flashcards

Example Questions Flashcards

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1
Q

Explain why there is a threshold frequency?

A

One electron results in the emission of one photon
E=hf

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2
Q

Define a photon

A

A discrete packet of electromagnetic energy

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Physics A Level Pearson's Edexcel (15 decks)

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