6D10.15 Two Source Interference

Shine laser beam on edge of tube to produce interference pattern. Light reflected from outer surface of tube interferes with light reflected from inner surface of tube. Multiple orders can be seen.

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Setup Requirements: Dark room needed. Some trial and error needed to position laser correctly. Test tube has 1/2 inch diameter.

 

Equations: Analysis too complicated to put here.

 

Safety Issues: Laser