11. The following table catalogues the notable changes in determination of fundamental physical constants . 12. This elementary charge is a fundamental physical constant . 13. I just find it odd to say that one is defining a physical constant . 14. Any ratio between physical constants of the same dimensions results in a dimensionless physical constant. 15. Any ratio between physical constants of the same dimensions results in a dimensionless physical constant . 16. This well-known physical constant is commonly referred to as the speed of light. 17. Note that Dukaj defines metaphysics as the science of changing physics ( physical constants ). 18. These uses include but are not limited to radians, computer programming, and physical constants . 19. An "'astronomical constant "'is a physical constant used in astronomy. 20. Some such data relate to quantities representing physical constants , each of which is known imperfectly.
