UVB is a commonly used acronym that stands for ultraviolet B rays. UVB rays are short waves and are believed to be the rays which are responsible for sunburn.

Between UVB and Gamma rays.

There are 2 types of ultra violet rays, UVA and UVB. UVA causes aging and wrinkles, and UVB causes the sun burns.

There are three types of rays- UVA, UVB and UVC. UVB and UVA act differently upon our skin and do not equally damage it. The UVB rays are mostly responsible for most cases of sunburn, as they are shorter than UVA rays. The UVA rays are longer so reach the inner state of the skin and causes skin damage.

Heat fro. The sun is emitted in waves or rays, known as UVA and UVB rays. These rays are two forms of microwaves from radiation.