Discoveries in Physics

11. Who discovered the law of reflection of light?
a) Isaac Newton
b) Galileo Galilei
c) Johannes Kepler
d) Christiaan Huygens

12. Who discovered the law of refraction of light?
a) Isaac Newton
b) Galileo Galilei
c) Johannes Kepler
d) Christiaan Huygens

13. Who discovered the first law of motion?
a) Isaac Newton
b) Galileo Galilei
c) Johannes Kepler
d) Christiaan Huygens

14. Who discovered the second law of motion?
a) Isaac Newton
b) Galileo Galilei
c) Johannes Kepler
d) Christiaan Huygens

15. Who discovered the third law of motion?
a) Isaac Newton
b) Galileo Galilei
c) Johannes Kepler
d) Christiaan Huygens