prelims physics p1

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Last updated 11:50 AM on 8/14/26
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4 Terms

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Photoelectric effect

The process that occurs when light shines on a metal and electrons are ejected.

2
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Photoelectrons

Electrons ejected from a metal by incident light.

3
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Threshold frequency

The minimum frequency of incident radiation at which electrons will be emitted from a particular metal.

4
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Work function

The minimum amount of energy needed to emit an electron from the surface of a metal.