UV rays have two characteristics that distinguish them from visible light.
(a) Although ultraviolet rays can penetrate through quartz, they are absorbed by the glass.
(b) They are commonly dispersed by dust particles in the earth’s atmosphere.
UV rays have two characteristics that distinguish them from visible light.
(a) Although ultraviolet rays can penetrate through quartz, they are absorbed by the glass.
(b) They are commonly dispersed by dust particles in the earth’s atmosphere.