The threshold frequency for photoelectric effect on sodiune corresponds to a wavelength of 5000 Å. Its function is
A. 4 x 10-19 J
B. 1J
C. 2 x 10-19 J
D. 3 x 10-19 J
Answer:A
The threshold frequency for photoelectric effect on sodiune corresponds to a wavelength of 5000 Å. Its function is
A. 4 x 10-19 J B. 1J C. 2 x 10-19 J D. 3 x 10-19 J