I thick it is called a plane
It is called a Ray.
A ray.
It is a line.
Not at all. Scalar are numerical quantities without direction (for example time) where as vectors are numerical quantities with direction (for example gravitational force downward)
I thick it is called a plane
It is called a Ray.
It is called a line segement
This is called a ray.
It's called a Ray.
A ray.
It is a line.
This is called a "ray". (It is equal to one half of a line.)
The layer of air above the Earth's surface is called the atmosphere. It is composed of various gases and extends several kilometers into space.
smoke curtain
Earth's atmosphere extends up to about 560 kilometers (350 miles) above the Earth's surface. The outermost layer, called the exosphere, gradually transitions into outer space.
It is called reflection when light changes direction as a result of bouncing off a surface like a mirror.