Author Question: Monochromatic light (l = 500 nm) is incident on a soap bubble (n = 1.40). How thick is the bubble ... (Read 331 times)

rosent76 · **on:** Jul 28, 2018

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