Illuminating the surface of a certain metal alternatively with light of wavelength `lambda_(1)=0.35 mu m` and `lambda_(2)=0.54 mu m`, it was found that the corresponding maximum velocities of photo electrons have a ratio `eta=12`.
Find the work function of that metal.

Illuminating the surface of a certain metal alternately with light of wavelengths lambda_(1)=0.35 mu m and lambda-(2) =0.54 pm , it was found that the corresponding maximum velocities of photo electrons have a ratio eta = 2. Find the work function of that metal:

Illuminating the surface of a certain metal alternatrly with light of wavelengths lambda_(1) = 0.35 mu m and lambda_(2) = 0.54 mu m , it was found that the corresponding maximum velocities of photoelectrons differ by a factor eta = 2.0 . Find the work function of taht metal.

Illuminating a metal surface alternately with wavelengths lambda_1 and lambda_2, when lambda_1 lt lambda_2, it is observed that corresponding ratio of maximum velocities of electrons is equal to n. Then work function of metal is

Illuminating a metal surface alternately with wavelengths lambda_1 and lambda_2, when lambda_1 lt lambda_2, it is observed that corresponding ratio of maximum velocities of electrons is equal to n. Then work function of metal is

Surface of certain metal is first illuminated with light of wavelength lambda_(1)=350 nm and then, by light of wavelength lambda_(2)=540 nm. It is found that the maximum speed of the photo electrons in the two cases differ by a factor of 2. The work function of the metal (in eV) is close to : (Energy of photon =(1240)/(lambda("in nm"))Ev

Surface of certain metal is first illuminated with light of wavelength lambda_(1)=350 nm and then, by light of wavelength lambda_(2)=540 nm. It is found that the maximum speed of the photo electrons in the two cases differ by a factor of 2. The work function of the metal (in eV) is close to : (Energy of photon =(1240)/(lambda("in nm"))Ev

Lights of wavelenths lambda_(1)=340nm and lambda_(2)=540nm are incident on a metallic surface. If the ratio of the maximum speeds of electrons ejected is 2, the work function of the metal is

Lights of wavelenths lambda_(1)=340nm and lambda_(2)=540nm are incident on a metallic surface. If the ratio of the maximum speeds of electrons ejected is 2, the work function of the metal is

A metallic surface is illuminated alternatively with lights of wavelengths 3000A and 6000A . It is obseved that the maximum speeds of the photoelectrons under these illumination are in the ratio 3:1 Q. The work function of the metal is