Evidence for quarks inside protons came from:

  1. Millikan's oil-drop experiment
  2. the photoelectric effect
  3. Rutherford's gold-foil experiment
  4. deep inelastic scattering of high-energy electrons
Answer

D) deep inelastic scattering of high-energy electrons

Electrons scattered off point-like constituents. SLO P-11-F-13 · Understanding

Physics MCQ · More Nuclear and Particle Physics MCQs · Practise