. MEASUREMENT PRACTICAL
Measurement is the process of expressing the quantity of a physical property in numbers. It is a comparison process where the quantity of a physical property is compared to a predetermined quantity, which is known as the unit for that property.
. VERNIER CALIFOR
A vernier caliper is usually used to measure the diameter of circular objects. The circular jaws of the vernier caliper fit perfectly on the circumference of round objects. Vernier caliper consists of two scales, the main scale which is fixed, and a moving vernier scale. The main scale has readings in millimeters.
