Units and Measurements in Physics

Units and Measurements in Physics Hi viewers: As you may know, that units and measurements in physics is very important topic.  It is because all the other topics in physics is very much related to this topic.  So before jumping into the ocean of physics one should grasp thoroughly this topic units and measurement with utmost passion. Physical Quantity Anything that can be measured is called a physical quantity.  Eg.  Length and Breadth Quantities are two types scalar and vector.   Scalar Quantity It is that quantity to express which magnitude is known only and no direction is known is called scalar quantity.  Eg.  Speed, time, length and mass Vector Quantity  It is that quantity to express which both magnitude and direction are required is known as a vector quantity.  Eg.  Weight, velocity, acceleration, force.   Unit It is a standard convenient and internationally accepted portion of a physical quantity by which we can measure quantities of similar type. The utility of a unit is to express the measure of a physical quantity...