PIRA: 6C10.00

Lab Equipment

  • Pasco optics bench
  • Pasco rotating slit disks and screen 
  • Electro-optics laser and power supply
  • lab pole
  • telescope clamp and block
  • 2 c-clamps
  • 90 degree clamps
  • 3 finger clamp


  1. Set up laser assembly as shown 
  2. Place the single-slit disk facing the laser and only a few centimeters from it. Level the laser to properly align with the selected slit. Use the C-clamps to hold the bench in position.
  3. Turn the disk to align various slits with the laser beam. A paper can be placed on the screen so patterns can be reproduced and measured.