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PHOTOMETRY
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Showing posts with label
PHOTOMETRY
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Wednesday, 27 March 2013
LIGHT
SUN LIGHT
LIGHT Z AN ELCTROMGNTC RADIATIONX. SUN LIGHT Z VERY IMP 4 HUMANBEINGS HEALTH.LIGHT Z LYE IN OPTICS. WAVE LENTH OV LIGHT Z MEASURD BY RADIOMETRY AND PHOTOMETRY.
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