Answer:
TRANSMISSION-
visible light meets clear glass
-cell phone signals pass through walls-
Explanation:
Transmission means that light actually passes through an object. Light in this context refers to electromagnetic radiation. All the radiation found in the electromagnetic spectrum are generally called light. This includes radio waves used in telecommunication.
White light is transmitted through glass because it actually passes through the glass.
Passage of cell phone signals through walls is also a typical example of transmission of light.