The photoelectric effect is explainable assuming A) that light ...

[Anajune7]

The photoelectric effect is explainable assuming
 
  A) that light has a wave nature.
  B) that light has a particle nature.
  C) that light has a wave nature and a particle nature.
  D) that light is an electromagnetic phenomena.

Question 2

After a rain, one sometimes sees brightly colored oil slicks on the road. These are due to
 
  A) interference effects.
  B) polarization effects.
  C) diffraction effects.
  D) selective absorption of different wavelengths by oil.
  E) birefringence.

[snackralk]

Answer to Question 1

B

Answer to Question 2

A

[Anajune7]

TYSM

[olderstudent]

Gracias!