The threshold frequency for a certain metal 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-off voltage for the photoelectric emission.

The thresold frequency for a certain metal is 3.3 xx 10^(14) Hz (Hertz). If the light of frequency 8.2 xx 10^(14) Hz (Hertz) is incident on the metal, find the cut off voltage for photoelectric emission.

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, photomission 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, photomission of electrons occurs. What is the maximum kinectic 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, photomission of electrons occurs. What is the maximum speed of the emitted photoelectrons?