Ultraviolet (UV) radiation is similar to visible light in all physical aspects, except that it does not enable us to see things. The light that enables us to see things is referred to as visible light and is composed of the colors we see in a rainbow.
Playing Regulations. A game of basketball is made up of four quarters, each ten (or in the National Basketball Association 12,) minutes long. At the start of every game the referee throws the basketball up in the air, and one player from each team tries to hit it to their teammates, that is called a jump ball..
Answer Wiki. An NBA game is 4 quarters of 12 minutes each, for a total of 48 minutes. However, regulation time is stopped for many aspects of gameplay, like fouls, ball out-of-bounds, timeouts, and a 15-minute halftime. That makes the wall-clock duration of typical games 2-2.5 hours.