Laser Pointer

Light emitted by this green laser pointer has a wavelength of 532 nm.

Clothes Pin

Use clothes pin to hold laser on/off button in the on position.

Play Doh

Use Play Doh to mount laser on flat surface.

Slide

This slide contains slit patterns (3 single slits and 1 double slit). Direct laser light through them to create interference patterns on the screen.

Slide Holder

Use the slide holder to hold slide.

Tape Measure

Use this to measure the center to center distance of the minima of the single slit pattern and also the distance from the slide to the screen.

Background Data Collection and Analysis