The threshold wavelength of tungsten is` 2.76 xx 10^-5 cm`: Explain why no photoelectrons are emitted when the wavelength is more than` 2.76 xx 10^5 cm`.

The threshold wavelength of tungsten is 2.76 xx 10^-5 cm .What will be the maximum kinetic energy of electrons ejected if radiation of frequency 4 xx 10^15 Hz is made incident on the tungsten surface .

The threshold wavelength of tungsten is 2.76 xx 10^-5 cm .What will be the maximum kinetic energy of electrons ejected in each of the following cases: if ultraviolet radiation of wavelength lambda = 1.80 xx 10^-5 cm .

The threshold wavelength of tungsten is 2.76 xx 10^-5 cm .What will be the maximum kinetic energy of electrons ejected in each of the following cases: radiation of frequency 4 xx 10^15 Hz is made incident on the tungsten surface.

The threshold wavelength for silver is 3800overset@ A . Calculate maximum kinetic energy in eV of photoelectrons emitted when ultraviolet light of wavelength 2600overset@ A falls on it. Also calculate stopping potential ( 1 eV = 1.6 xx 10^-19 J , Planck's constant = h = 6.63 xx 10^-34 Js , speed of light in vacuum = 3 xx 10^8 m//s ).

Photoelectric threshold wavelength of Tungsten is 2730overset@ A . Calculate its work function in electron volts. ( C = 3 xx 10^8 m//Sec., h = 6.63 xx 10^-34 Js )

The photoelectric threshold wavelength of silver is 3250 xx 10^(-10) m . The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536 xx 10^(-10) m is (Given h = 4.14 xx 10^(6) ms^(-1) eVs and c = 3 xx 10^(8) ms^(-1))

If the wavelength of a certain wave of light is 2.0 xx 10^3 cm. What is the frequency of this wave?

A photon of energy 8 eV is incident on metal surface of threshold frequency 1.6 xx 10^(15) Hz , The maximum kinetic energy of the photoelectrons emitted ( in eV ) (Take h = 6 xx 10^(-34) Js ).