Huygen's principle indicates A) each point on a wavefront ...

[ts19998]

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.

[wtf444]

Answer to Question 1

A

Answer to Question 2

B

[ts19998]

Thanks for the timely response, appreciate it

[irishcancer18]

Excellent