Planck Constant Apparatus Manufacturer,Supplier and Exporter in India
Product Code : EL-AP-10746
Quick Answer: The Planck Constant Apparatus is a compact unit with an enclosed vacuum photocell, a power supply for a variable stopping voltage and a nanoammeter for the photocurrent.
Last updated: October 2026
Key Features
- Enclosed vacuum photocell with an attachment for light sources
- High stability power supply for a variable stopping voltage
- Nanoammeter for measuring photocurrents
- Measures Planck's constant and estimates the work function of caesium
- Results with less than 5% error
Technical Specifications
| Specification | Value |
|---|---|
| Weight | 6 lbs |
| Dimensions | 16 × 12 × 12 in |
| Photocell | Enclosed, vacuum |
| Current meter | Nanoammeter |
About This Product
Light sources fit to an attachment on the enclosed photocell, and a variable stopping voltage is applied to the cell while the nanoammeter reads the resulting photocurrent. From these readings Planck's constant is measured and the work function of the caesium is estimated.
Frequently Asked Questions
What does the apparatus measure?
It measures Planck's constant and estimates the work function of the caesium, with less than 5% error.
Related: Advanced Physics, Photoelectric Effect Apparatus, Ultrasonic Grating Apparatus, PrecisiFresnel Biprism Interference Apparatus and Optics.
For a quotation on the Planck Constant Apparatus, contact Science Lab Export.
