Iridescent colors in the pearly luster of an abalone shell are ...

[jazziefee]

Iridescent colors in the pearly luster of an abalone shell are due to
 
  A) refraction.
  B) diffraction.
  C) dispersion.
  D) polarization.
  E) interference.

Question 2

Interference colors in a soap bubble is evidence that the soap film
 
  A) has two reflecting surfaces.
  B) is thin.
  C) both of these
  D) neither of these

[elizabethrperez]

Answer to Question 1

Answer: E

Answer to Question 2

Answer: C

[jazziefee]

Thanks for the timely response, appreciate it

[LegendaryAnswers]

Gracias!