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Topic: Science
Number of pages / Number of words: 6 / 1438
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The electrons will only be emitted if the

frequency of the radiation is above a certain

minimum value, called the threshold frequency

(fo). The threshold frequency varies with each

metal. When the sodium plate was exposed to

high frequency light, electrons were emitted and

were attracted to the positive terminal, causing a

flow of current...


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However, when a low frequency

light was used no electrons were emitted and

therefore there was no current. Observations of

the Photoelectric Effect 1. Current flows as soon

as the negative terminal is illuminated. 2. High

frequency light causes electrons to be emitted from

the sodium, however, a lower frequency light does

not...


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