Planck constant apparatus in Pakistan
| Description | Specifications |
| Cut-off wavelengths of color filters | 635 nm, 570 nm, 540 nm, 500 nm, 460 nm |
| Light source | 12 V/35 W Halogen Tungsten lamp |
| Sensor | vacuum phototube |
| Dark-current | less than 0.003 µA |
| Precision of accelerating voltage | less than ± 2% |
| Measurement error | approximately ± 10% as compared with literature value |
Description
Introduction
This LEAI-50 Experiment Apparatus of Planck’s Constant is used to demonstrate photoelectric effect and calculate Planck’s constant according to Einstein’s equation of photoelectric effect. It is a cost-effective teaching apparatus for physics laboratories at colleges and universities. The instruction manual contains experimental configurations, principles and step-by-step instructions. Please click Experiment Theory and Contents to find more information about this apparatus.
Features:
- Complete apparatus
- Compact and stable
- Low dark current
- Affordable
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