Which of the following terms is used to describe a meteor when it hits the earth's surface?

When a meteor hits the earth's surface, it is referred to as a meteorite.
When a meteoroid enters the Earth's atmosphere and starts to burn up, it is called a meteor or a shooting star. Most meteors burn up in the Earth's atmosphere, but some make it to the surface and are known as meteorites. Meteoroids are made up of rocky substances that roam the galaxy. 
Hence, the option meteorite is correct.