UV-A Intensity: What’s Special About 5000µW
Most UV-A lights available are set to give 5,000 µW/cm2 good ways off of 15 in/38 cm. What’s so uncommon about those numbers? Physics of Light Light intensity follows an inverse-square law. Say there’s a bright lamp that is one meter away from you. On the off chance that you move out to 2 meters,…