Intro & Measurements - Sept 4th 2024

Measurement - comparing an unknown quantity with a known quantity

Physics is a branch of science concerned with the nature and properties of matter and energy.
Measurement is the most important subject in Physics/ Chemistry/ Science
Measurement is the root of physics, without it, there would be no progress in physics.

Physical Quantity
Quantity - A quantity is something that can be measured.
Unit - A unit is a specified measure of a physical quantity
Measurement - it is the comparison of an unknown quantity with a known standard quantity