Phys 481
Winter 2012
Worksheet # 5
Wednesday, January 25, 2012
Name
Questions (5 pts):
Consider interference of light from two point sources separated by a distance a
observed at a screen located at a distance s from the sources, s>>a. So far, all our
discussions assumed that a >>. What would we observe on the screen if a <  ? Under
what condition we won’t be able to observe any minima?