Physics, asked by priyapriydarshNi, 1 year ago

the work function of caesium is 2.14 eV the threshold frequency of caesium is ?

Answers

Answered by amisha42
35
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...
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