Led Array

To Study The Relation Between Color Of Light And Its Wavelength. Planck’S Constant Can Also Be Determined By Knowing Voltage & The Wavelength Across Different Color Leds. • Eleven Different Color Leds With Different Wave Length Are Located In A Vertical Fashion. • Rotary Switch Is Provide To Select Any Individual Led Or All Together. • 4Mm Safety Sockets Are Provided To Check The Voltage Across Individual Led. • Input 5V Dc, 1.5 A Through A Power Adaptor. (Led Array)