KCET · Dual Nature of Radiation and Matter (2nd PUC) · Quiz
5 real KCET questions on Dual Nature of Radiation and Matter (2nd PUC). Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 1
EASYThe work function of a metal is 2.5 eV. Light of wavelength 400 nm is incident on the metal surface. What is the maximum kinetic energy of the emitted photoelectrons? (Take h = 6.63×10⁻³⁴ Js, c = 3×10⁸ m/s, 1 eV = 1.6×10⁻¹⁹ J)