what light is light that bounces of an off an object called?

How do a slow moving cold front differ from a fast moving cold front? A 75 kg person is running at 2.5 ms along the outside of a stationary merry-go-round when they jump on the outside rim The merry-go-round is a 75 kg disk of radius R2m What is the angular speed of the? Does speed show motion? What is a pithball? What is a thumbtack made of? When an object reaches its termainal speed its acceleration is zero right? Is a mass of an object cannot be measured with a newton meter? How many grams of helium are contained in a 2.0 L balloon at 30 degrees Celsius and at 735 mm Hg? What are the forces involved when someone pushes on a wall? What is the difference in an objects weight on earth than on the moon? What is it called when a wave hits a barrier and bounces back off? What does SMft3d stand for? What are the only materials that can be magnetised? What is accomplished by turning the coarse upwards or downwards? Why can cathode rays be observed and manipulated within a vacuum tube and not in air? What is the best conductor of electricity between air water wood and glass? What is the formula and unit for speed? Which scientists introduced the concept of absolute zero? What if you sleep on a mattress what type of internal forces are we using? What are the problem caused by friction?

what light is light that bounces of an off an object called?