EASY
12th Kerala Board
IMPORTANT
Earn 100

Define work function.

Important Questions on Dual Nature of Radiation and Matter

MEDIUM
12th Kerala Board
IMPORTANT

The work function of caesium metal is 2.14 eV. When light of frequency 6×1014 Hz incident on the metal surface, photoemission of electrons occurs.h=6.6×10-34 Js

Calculate the maximum kinetic energy of the emitted electrons.

EASY
12th Kerala Board
IMPORTANT

The work function of caesium metal is 2.14 eV. When light of frequency 6×1014 Hz incident on the metal surface, photoemission of electrons occurs.h=6.6×10-34 Js

Calculate the stopping potential.