→ chungweitw:The diffraction is considered obvious if you can 10/19 00:55
→ chungweitw:"see" many ripples, namely a lot of bright and dark 10/19 00:56
→ chungweitw:regions. 10/19 00:56
→ chungweitw:By d sin(theta) = n lambda... 10/19 00:58
→ chungweitw:In (1), you can have a lot of "n" basically, but 10/19 00:59
→ chungweitw:you can not resolve them. 10/19 01:00
→ chungweitw:In (3), you only have n = 0 term.. 10/19 01:00