Photoelectric Effect Apparatus
Product Code : EL-PLE-13150
Eduscope India is a leading Photoelectric Effect Apparatus
Quick Answer: Photoelectric Effect Apparatus lets students study photoelectric emission from a mixed metal cathode in vacuum, including its characteristic curves and response to light intensity.
Light of sufficient frequency striking a metal surface can eject electrons from it — the photoelectric effect, first explained by Albert Einstein in 1905 — and this apparatus is built around that effect to let students observe and characterise the emission behaviour of a vacuum photocell directly. A lighttight box excludes ambient light so the measured photocurrent stays attributable to the controlled light source alone, and shielded cables link the box to a separate control and measurement unit, reducing electrical noise on the small photocurrent signals. With the apparatus, students obtain the characteristic curves of the vacuum photocell — how photocurrent varies with the voltage applied across it — and explore how illumination intensity affects photoemission through the inverse square law, comparing photocurrent against distance from the light source as part of this photoelectric effect kit India experiment.
| Specification | Value |
|---|---|
| Cathode | Mixed metal, in vacuum photocell |
| Enclosure | Lighttight box |
| Cabling | Shielded, to control and measurement unit |
| Studies | Characteristic curves; intensity vs inverse square law |
EduScope India's physics range, including the Photoelectric Effect Apparatus, is exported to South Asian markets such as Nepal, Bangladesh, Sri Lanka and Bhutan, supporting college and university lab equipping in the region.
This apparatus is also among the physics lab equipment India EduScope India regularly supplies through bulk institutional and government lab-equipment orders, school chains and CSR-funded science-education programs.
It is part of EduScope India's Physics Lab Equipment range. For related but distinct work, the Planck's Constant Apparatus uses a cesium photocathode specifically to measure Planck's constant, and the Hall Effect Apparatus studies charge carriers in a conductor or semiconductor.
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