Wavelength and Spectrum Demonstrator
Product Number: SB48327
In Stock (Ships within 1-2 business days)
Grades 7-12. Discover how colors affect wavelengths and learn why red is chosen for
stop in traffic signals with this fascinating device. Features 11 different color and wavelength LEDs mounted in a metal tube. With the help of a rotary switch on the top, each LED can be lit up individually. Color and wavelengths are marked on the tube. With a handheld spectroscope (not included), the spectrum produced by various colors can be studied. Metal tube measures 12 in. L x 1-3/16 in. dia. on a 3-15/16 in. dia. metal base.