BEX-8504A photoelectric effect experiment apparatus
In this apparatus, mercury-lamp light passes through a filter-aperture head to form narrowband monochromatic light of fixed beam size. It illuminates a phototube to generate current, which a microcurrent amplifier detects. The experiment investigates the relationships among illumination wavelength, aperture size, and light intensity to verify Einstein's photoelectric-effect theory. With a PASCO voltage sensor or data-acquisition interface, large amounts of live data form a computer-based acquisition and analysis system, upgrading the apparatus to a digital instrument.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Mercury-lamp light source | 50W |
| Guide rail | Length 600mm |
| Phototube box with filter - Optical filter | 365, 405, 436, 546,and 577 nm |
| Phototube box with filter - Aperture stop | 2 mm， 4 mm，8 mm |
| Phototube box with filter - Phototube: spectral-response range | 300-700 nm |
| Mercury-lamp power supply - Input | 110-120~/220-240V~, 50/60Hz |
| Mercury-lamp power supply - Output | 220VAC, 50W |
| Photoelectric-effect experimental apparatus - Voltage output | -4.5~0VDC/-4.5~30VDC |
| Photoelectric-effect experimental apparatus - Current range | 10-8A~10-13A |
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Datasheet
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