Repeat Problem 40.1 if the film has a refractive index of 1.40 and the vacuum wavelength of the incident light is 600 nm.

Problem 40.1

Figure 40-2 shows a thin film of a transparent material of thickness d and index n_f where n₂ > n_f > n₁. For what three smallest film thicknesses will reflected light rays-1 and -2 interfere totally 

(a) Constructively and 

(b) Destructively?  

Assume the monochromatic light has a wavelength in the film of 600 nm.

Transcribed Image Text:

nj n₂ 12 d Fig. 40-2