The kinetic energy of the photoelectrons ejected by a metal surface...

The kinetic energy of the photoelectrons ejected by a metal surface increased from 0.6 eV to 0.9 eV when the energy of the incident photons was increased by

20 \%

. The work function of the metal is

Options

A0.66 eV
B0.72 eV
C0.90 eV
D0.30 eV

Correct answer

C. 0.90 eV

Step-by-step solution

No Solution

Practice Structure of Atom on Quantrex Academy →

More from Structure of Atom

If the radius of the hydrogen atom is 53 pm , the radius of the He^ + ion is close to Olympiad workbook An electron present in the third excited state of a H atom returns to the first excited… Olympiad workbook The ratio of the energy of the electron in ground state of hydrogen atom to that of the… Olympiad workbook When a certain metal was irradiated with light of frequency 3.2 × 10^ 16 ~Hz , the… Olympiad workbook An orbital among the following that has two radial nodes and two angular nodes is Olympiad workbook Decay of radioisotopes follows first order kinetics. Radioisotope U^ 238 undergoes decay… Olympiad workbook For which of the following processes, carried out in free space, energy will be absorbed?… Olympiad workbook Which of the following elements will exhibit photoelectric effect with light of the… Olympiad workbook Full Structure of Atom list All Olympiad workbook PYQs