The wave theory, which maintains that light is a wave, was proposed around the same time as Newton's theory. ... Then, in 1678, Dutch physicist Christian Huygens (1629 to 1695) established the wave theory of light and announced the Huygens' principle.
Answers & Comments
Answer:
The wave theory, which maintains that light is a wave, was proposed around the same time as Newton's theory. ... Then, in 1678, Dutch physicist Christian Huygens (1629 to 1695) established the wave theory of light and announced the Huygens' principle.