No !(: its in the dictionary! Look it up!(:
Ray
The light which enters is called the incident ray and the reflected light is called the reflected ray.
X-ray Photon
The term used for the lowest frequencies is "radio" and the term for the highest frequencies is X-ray/gamma ray depending on the source (sort of, it's complicated).
A 'ray' is a term for a radiation. All objects with temperatures above 0 degrees Kelvin give off radiation called, "Heat".
A ray is not an undefined term.
Collin ear
The term 'undefined' means not precisely limited, determined, or distinguished not precisely limited, determined, or distinguished; "an undefined term"; "undefined authority"; "some undefinenot precisely limited, determined, or distinguished; "an undefined term"; "undefined authority"; "some undefine
A set can be defined or undefined.
Point is not an undefined term. It can be defined as a mathematically precise location, or as the place where two lines intersect.
A term that is undefined mean simply that it is not defined. The prefix un means not, and if you add it to the word defined, ta da, you get undefined.
Line
yes it is
coplaner
a term with no dfinition
undefined
I am prepared to define any term in geometry. If there is some term for which you would like to have a definition, just ask.