A beam of monochromatic light of wavelength falls on ground-state hydrogen atoms.

PHYSICS · Multi-part · CBSE · Physics · Dual Nature of Radiation and Matter · Dual Nature of Radiation and Matter

Problem

A beam of monochromatic light of wavelength

80\,\text{nm}

falls on ground-state hydrogen atoms. (i) Will the atoms be ionised? (ii) If yes, calculate the kinetic energy (in eV) of the ejected electrons.