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if work function is given ,how can we know whether the element shows photoelectric efect or not?

if work function is given ,how can we know whether the element shows photoelectric efect or not?
 

Grade:11

1 Answers

Mahima Kanawat
1010 Points
2 years ago
Dear student 
If the incident light has more energy than work function then PEE will take place. 
If the energy of incident light is less than work function then it will not be able to excite electron and PEE will not take place.
WITH REGARDS 
MAHIMA 
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