To determine the Planck’s constant using LEDs of at least 4 different colours.
Planck Constant apparatus[ LED method]. Make : Microtech Industries
Plancks constant using led at least 4 different colours.
The setup consists of :
- Variable Power supply : 0 – 5 V with precision voltage control facility.
- Digital Voltmeter : 3 ½ Digit LED Display, 0 – 20 V.
- Digital Milli ammeter : 3 ½ Digit LED Display, 0 – 20 mA.
- Set of LED fittings on board [ Four nos. colour : Red, Green, Yellow and Orange]
- Connecting Jacks.