Related Questions

  1. The photoelectric threshold frequency of a metal is ν. When light of frequency 4ν
  2. Current flows in semi-conductors through
  3. Light of two different frequencies whose photons have energies 1eV
  4. A ball is dropped into a well in which the water level is at a depth h below the top
  5. The half life of radioactive isotope ‘X’ is 50 years. It decays to