If the threshold frequency for tungsten is 1.3 x 10 15 Hz, what is its
PHYSICS
JAMB 2011
If the threshold frequency for tungsten is 1.3 x 1015Hz, what is its work function?
[H = 6.6 x 10-34 Js]
- A) 8.58 x 10-19 J
- B) 8.50 x 10-15 J
- C) 8.58 x 10-17 J
- D) 8.85 x 10-18
Correct Answer: A) 8.58 x 10-19 J
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