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.

eyes

eye

Eyes r an organ dt dtct light.It as a concious sense organ.eyes z made up of 3 coats.