PHYSICS QUIZ Test Your Knowledge Of Physics With These Quizzes Physics Online Quiz for Kids and Adults #1. What is the speed of Light? Approx. 200,000 Km per second Approx. 300,000 Km per second Approx. 300,000 Km per hour Approx. 200,000 Km per minute Work Harder #2. Who discovered electron? Neils Bohr Schrodinger J.J.Thomson Heisenberg Work Harder #3. How many matter fields are there in the Standard Model of Particle Physics? 16 6 4 12 Work Harder Previous Finish Results Well Done. You Are Roaring Like A Lion Keep Working. Slow & Steady Wins The Race START NEW