Who first measured the velocity of light?
Correct answer: C. Ole Roemer
- A. Einstein
- B. Newton
- C. Ole Roemer
- D. Galileo
Explanation
Ole Rømer made the first quantitative measurement of the speed of light in 1676 by observing delays in the eclipses of Jupiter's moon Io. Galileo attempted an experiment but could not measure the very high speed accurately.
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