Light of wavelength 500 nm shines on a soap bubble film (n = ...

[WWatsford]

Light of wavelength 500 nm shines on a soap bubble film (n = 1.46). For what soap film thickness, other than the minimum thickness, will constructive interference occur?
 a. 63 nm
  c. 308 nm
  b. 102 nm
  d. 257 nm

Question 2

The absolute temperature of a monatomic ideal gas is directly proportional to which of the following properties, when taken as an average, of the molecules of that gas?
 a. speed
  c. mass
  b. momentum
  d. kinetic energy

[wtf444]

Answer to Question 1

D

Answer to Question 2

D