Explain the following terms.

(a) Verbal scale

(b) Graphic scale

(c) Scale

(d) RF

(a) Verbal scale — In this method the scale is expressed in words, e.g., 1 cm on the map represents 50 km on the ground. This method is not very popular as it does not give the accurate measurement.

(b) Graphic scale — This scale represents the relationship between the distance on the map and distance on the ground. It is drawn according to the statement in such a way that the distance can be calculated most accurately on the map.

(c) Scale — Scale can be defined as a ratio between a distance measured on a map and a corresponding distance on land, connecting the two points represented by the same unit.

(d) RF — The numerical fraction/ representative fraction is the method of measuring distance that shows the ratio between the distance on the map to the distance on the ground.