Question 44
A metal has work function of 4.375 eV Calculate its threshold frequency. (h = 6.6 x 10-34Js; 1eV = 1.6 x 10-19J)
Objective
Question details
- Exam body
- WAEC
- Subject
- Physics
- Year
- 1999
- Question no.
- #44
- Type
- Objective
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