PIRA: 6A60.20

 

Lab Equipment  Directions
  1.  2 lasers and power supplies (both green and yellow)
  2. 155 lasers (red)
  3. 2 three finger clamps with 90 degree clamps
  4. large convex lens with flat bottom
  5. 2 lab jacks
  6. lab stand (short)
  7. screen or wall
  8. power strip
  1.  Align the lasers in the order shown so that the beams will pass through the lens.
  2. Without the lends in place, observe the order of the colors on the wall or screen.
  3. Place the lens on the lab stand and note that the order of colors is now reversed.

cp