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Sahay Sir > Question Answers > MTG NEET Physics > Part 2 > Chapter 11 - Dual Nature of Radiation and Matter > Light of two different frequencies whose photons have energies of 2 eV and 5.0 eV are incident one by one on a metal surface of work function 1.5 eV. The ratio of maximum energies of emitted electrons will be

Light of two different frequencies whose photons have energies of 2 eV and 5.0 eV are incident one by one on a metal surface of work function 1.5 eV. The ratio of maximum energies of emitted electrons will be

Ultraviolet beam of wavelength 280 nm is incident on lithium surface of work function 2.5 eV. The maximum velocity of electron emitted from metal surface is