Author Question: Huygen's principle indicates A) each point on a wavefront is a source of wavelets. B) ... (Read 61 times)

ts19998 · **on:** Jul 29, 2018

Huygen's principle indicates

A)

each point on a wavefront is a source of wavelets.
B)

materials are isotropic.
C)

light travels with speed c.
D)

all of the above.
E)

none of the above.

Question 2

The first successful determination of the finite speed of light is credited to

A)

Galileo.
B)

Roemer.
C)

Einstein.
D)

Newton.
E)

Franklin.