the work function of caesium is 2.14 eV the threshold frequency of caesium is ?
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Hiii...
a) $ = h * threshold frequency ( $ = work function )
2.14 * 1.6 * 10-19 = 6.6 * 10-34 * threshold frequency
threshold frequency = 2.14 * 1.6 * 10-19 / 6.6 * 10-34
= 5.2 * 1014 hertz .
Hope it helps...
a) $ = h * threshold frequency ( $ = work function )
2.14 * 1.6 * 10-19 = 6.6 * 10-34 * threshold frequency
threshold frequency = 2.14 * 1.6 * 10-19 / 6.6 * 10-34
= 5.2 * 1014 hertz .
Hope it helps...
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