PURPOSE: To show chromatic aberration in a convex lens.
DESCRIPTION: Choose appropriate baffle for a central ray with two extreme rays. The chromatic aberration, seen as dispersion in either of the two extreme rays, can be enhanced by cutting off part of the outgoing dispersed ray with a card or your finger.
REFERENCES: (PIRA 6A65.20)
EQUIPMENT: Optical board with wide slit baffle and convex lens.
SETUP TIME: None.
Go back to Lecture-Demonstration Home Page.