#uv rays effect

ULTRAVIOLET rays uses and its applications:-

VISIBILITY: If we talk about it the visibility that why we can’t see them, is just because of the cornea, lens and retina present in our eye. The cornea does not the light of wavelength up to 300nm visible while our eye-lens block [ 300-400]nm. However, in some cases, it is visible to humans. In the case of birds and insects, it is visible to them. They have the ability to perceive these rays.…