Multiple choice general knowledge science & technology

the volocity of light is first measured by

  1. a.Einstien

  2. b.Newton

  3. c.Romer

  4. d.Galileo
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ole Rømer first demonstrated that light has a finite speed in 1676 by observing Jupiter's moon Io. Einstein developed relativity theory, Newton formulated laws of motion, and Galileo studied motion but didn't measure light speed.

Keep practicing — related questions