NSEA · Modern Physics · Quiz
5 real NSEA questions on Modern Physics. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 2
HARDA photon of wavelength 400 nm strikes a metal surface with work function 1.8 eV. What is the maximum kinetic energy of the ejected photoelectron? (Use h = 6.63×10⁻³⁴ J·s, c = 3×10⁸ m/s, 1 eV = 1.6×10⁻¹⁹ J)