A throbbing pulse of electromagnetic radiation is called a A) ...

[tiffannnnyyyyyy]

A throbbing pulse of electromagnetic radiation is called a
 
  A) proton.
  B) photon.
  C) phototron.
  D) newtron.
  E) nooytron.

Question 2

A hologram is simply a
 
  A) complex diffraction grating.
  B) thin sheet of non-cubic transparent crystals.
  C) pair of semi-crossed polarization filters.
  D) thin photographic film with microscopic images over the entire surface.
  E) none of the above

[kkenney]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: A

[tiffannnnyyyyyy]

YES! Correct, THANKS for helping me on my review

[atrochim]

Thanks for the timely response, appreciate it