Secondary wavelets spread from a wave with
A)reduced speed.
B)an unchanging speed.
C)an increased speed.
D)none of the above

Question

Quizplus · Accepted Answer

Secondary wavelets spread from a wave with an unchanging speed, according to the principle of Huygens, which states that every point on a wavefront may be considered a source of secondary wavelets that spread out in the forward direction at the same speed as the wave itself.

Secondary Wavelets Spread from a Wave with