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购买 Measuring Light Using Spectrometer
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$12.99
Digital Illuminance Light Meter Tester 200,000Lux Meter (18,500FC) Luxmeter Lighting Intensity Brightness Measurement Tool For Indoor Outdoor Grow
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chemedx.org
A simple method to measure the wavelength of light
A simple laboratory experiment in which students simply measure the wavelength of light is described. An LED light, diffraction glasses, and a meterstick are the only required materials.
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