The threshold frequency for a certain method 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-of voltage for the photoelectric emission.

The threshold frequency for a certain metal for photoelectric effect is 1.7 xx 10^15 Hz .When light of frequency 2.2 xx 10^15 Hz is incident on the metal surface, the kinetic energy of the emitted. photoelectrons is 3.3 xx 10^-19 J .Calculate Planck's constant.

The work function of caesium metal is 2.14 eV. When light of frequency 6 xx 10^14 Hz is incident on the metal surface, photoemission of electrons occurs.What is the stopping potential ?

The work function of caesium metal is 2.14 eV. When light of frequency 6 xx 10^14 Hz is incident on the metal surface, photoemission of electrons occurs.What is the maximum kinetic energy of the emitted electrons ?

The work function of caesium metal is 2.14 eV. When light of frequency 6 xx 10^14 Hz is incident on the metal surface, photoemission of electrons occurs. What is the maximum speed of the emmited photoelectrons ?

The photoelectric threshold frequency of a metal is v_0. When ligth of frequency 3v_0 is incident on the metal, the maximum kinetic energy of emitted photoelectrons will be

Calculate the energy of a photon of frequency 6.2 xx.10^14 Hz .

Light of frequency 4nu_0 is incident on the metal of the threshold frequency nu_0 . The maximum kinetic energy of the emitted photoelectric is

For photoelectric emission from certain metal the cut - off frequency is v . If radiation of frequency 2 v incident on the metal plate , the maximum possible velocity of the emitted electron will be ( m is the electron mass).