Final answer:
On a map, we use symbols such as points, lines, and areas to represent physical objects. Points are used to depict specific locations, lines are used for features like rivers or roads, and areas are used to represent regions or areas.
Step-by-step explanation:
The symbols used to show any physical object on a map are: Point: represented by a dot (.) or a small circle () to mark a specific location, Line: represented by a straight or curved line (~, ---) to depict features like rivers or roads, and Area: represented by a closed shape with boundaries to show regions or areas.
Learn more about Map Symbols