udochi

This page lists questions and answers that were posted by visitors named udochi.

Questions

The following questions were asked by visitors named udochi.

What is the thinnest film of a coating with n=1.42 on glass n=1.52 for which destructive interference of the red component (650 nm) of an incident white light beam in air can take place by reflection? I ALREADY SOLVED THIS QUESTION, BUT I NEED SOMEONE TO...

Answers

The following answers were posted by visitors named udochi.

Note that the angles in the sketch are exaggerated for clarity. Interference is governed by phase differences caused by reflection and by differing path lengths. First consider the phase difference caused by reflection. Ray 1 is reflected at an air/film i...