- #1
applestrudle
- 64
- 0
Do we presume the light beams to be parallel even though they meet at one place?
like the image here
http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/sinslit.html
like the image here
http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/sinslit.html