The threshold frequency for a photosensitive metal is `3xx10^(14)Hz`. The work function of the metal is approximately equal to `[h=6.66xx10^(-34)Js]`

The threshold frequency of potassium is 3 xx 10^14 Hz . The work function is

The minimum frequency for photoelectric effect on a metal is 7xx10^(14) Hz, Find the work function of the metal.

The threshold frequency for a photosensitive metal is 3.3 xx 10^(14) Hz . If a light of frequency 8.2 xx 10^(14)Hz is incident on this metal, the cut-off voltage for the photoelectron emission is nearly.

The photoelectric threshold frequency for potassium is 3 xx 10^(14) Hz. The work function for potassium is (h=6.625 xx 10^(-34)Js)

The threshold frequency for a certain metal is 3.3 xx 10^(14) Hz. If light of frequency 8.2 xx 10^(14) Hz is incident on the metal, predict the cut - off voltage for the photoelectric emission.

Light of wavelength 4000 Å falls on a photosensitive metal and a negative 2 V potential stops the emitted electrons. The work function of the material ( in eV) is approximately ( h = 6.6 xx 10^(-34) Js , e = 1.6 xx 10^(-19) C , c = 3 xx 10^(8) ms^(-1))

Threshold frequency of a certain metal for photoelectric emission is 5xx10^(14)Hz . Calculate its work function.