In case you have not seen an actual diffraction grating before…
–
Here is an applet for you to play with
๐ http://ngsir.netfirms.com/englishhtm/MultipleSources.htm

In case you have not seen an actual diffraction grating before…
–
Here is an applet for you to play with
๐ http://ngsir.netfirms.com/englishhtm/MultipleSources.htm