The work function (phi) of some metal is...

The work function `(phi)` of some metal is listed below. The number of metals which will show photoelectric effect when light of 300 nm wavelength falls on the metal is :

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The work function for a certain metal is 4.2 eV. Will this metal give photoelectric emission for incident radiation of wavelenght 330 nm?

Ratio of the work functions of two metal surface is 1 : 2 . If threshold wavelength of photoelectric effect for the 1st metal is 6000Å , what is the corresponding value for the 2nd metal surface?

Work functions of three metals A, B and C are 1.92 eV, 2.0 eV and 5. eV respectively. Which metal will emit photoelectrons when a light of wavelength 4100Å is incident on the metal surfaces?

The work function of a metal surface is 2.0 eV. Light of wavelength 5000 Å is incident on it:

Statement I: Any light wave having frequency less than 4.8 xx 10^(14)Hz cannot emit photoelectrons from a metal surface having work function 2.0 eV Statement II: If the work function of a metal is W_(0) (in eV), then the maximum wavelength (in Å ) of the light capable of initiating photoelectric effect in the metal is given by lamda_("max") = (12400)/(W_(0))

Work function of sodium is 2.3 eV. Find out the energy of photon of the orange light of sodium. Does sodium show photoelectric emission for orange light of wavelength, lamda = 6800 Å ? Given, h = 6.63 xx 10^(-34)J.s

When light of wavelength 4041 Å falls on a metal surface, the maximum velocity of the emitted photoelectrons becomes twice the maximum velocity when another light of wavelength 5893 Å falls on the same surface. What is the photoelectric work function of that metal?

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