The work function of a photo electric material is `5.0eV` .Threshold frequency will be

The work function of a photoelectric material is 3.3 eV. The thershold frequency will be equal to

The work function of a photoelectric material is 3.3 eV. The thershold frequency will be equal to

If the work function of a photo - metal is 6.825 eV . Its threshold wavelength will be ( c = 3 xx 10^(8) m//s)

Photoelectric work function of photosensitive material is 3 eV. Calculate threshold frequency and threshold wavelength