Photoelectric effect . The work function of a substance is 4.0ev the longest wavelength of light that can cause photoelectron emissions from this substance is..

The work function of a substance is 12.4 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately

The work function of a substance is 4.0 eV . The longest wavelength of light that can cause photo electron emission from this substance is approximately. (a) 540 nm (b ) 400nm (c ) 310 nm (d) 220 nm

The work function of a substance is 1.6 ev. The longest wavelength of light that can produce potoemisson form the substance is

Find the maximum wavelength of light that can cause photoelectric effect in lithium.

If a suface has work function of 3.00eV, the longest wavelength of light which will cause the emission of electrons is

The photoelectric work function for a metal surface is 4.125 eV . The cut - off wavelength for this surface is

The work function of Cs is 2.14 ev find the wavelength of the incident light if the stopping potential is 0.6 V.

Photoelectric work- function of a metal is 1 eV. Light of wavelength lambda = 3000 Å falls on it. The photoelectrons come out with maximum velocity

Photoelectric work- function of a metal is 1 eV. Light of wavelength lambda = 3000 Å falls on it. The photoelectrons come out with maximum velocity

Find the threshold wavelength of light that would produce photoelectrons for a silver surface . The work function for silver is 4.8 eV