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Q13. The threshold frequency for the photoelectric effect on sodium corresponds to a wavelength of 5000x10-10. Its work function is:

Physics — Dawn of Modern Physics — Question 13 of 217

A. 15 Joule
B. 10 × 10–19 Joule
C. 4 × 10–19 Joule
D. None of these

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The threshold frequency for the photoelectric effect on... | Physics MCQ #13 | Examora | Examora