Monochromatic light (l = 500 nm) is incident on a soap bubble (n ...

[rosent76]

Monochromatic light (l = 500 nm) is incident on a soap bubble (n = 1.40). How thick is the bubble (in nm) if destructive interference occurs in the reflected light?
 a. 102
  b. 179
  c. 54
  d. 1
  e. 89

Question 2

Monochromatic light (l = 500 nm) is incident on a soap bubble (n = 1.4) that is 500-nm thick. Calculate the change of phase of the light that penetrates the front surface, reflects from the second surface, and emerges through the first surface as an angle between 0 and 360?
 a. 280
  b. 160
  c. 220
  d. 100
  e. 290

[pikon]

Answer to Question 1

B

Answer to Question 2

E

[rosent76]

Excellent

[robbielu01]

Gracias!