PIRA: 6A46.10

 

 Lab Equipment  Directions
  1.  2 60 degree prisms
  2. optical slit slide
  3. 2″ x 4″ x 6″ block (with white location marks)
  4. slide projector
  1.  Set up as shown in figure with prism #1 in place on the block.
  2. Turn on the projector and if a rainbow does not show on the screen, rotate prism #1 either to the left or right until a rainbow appears.
  3. Put prism #2 in between prism #1 and the rainbow beam. You should see again a beam of white light, if not, rotate prism #2 either to the left or right until white light shows up again.

cp