Magnitude refers to the general quantity or distance. Magnitude in Physics is a fundamental term in science. Vector Versus Scalar Physics Data Science Learning Physical Science Lessons Concerning the aspects of movement we. . In physics before calculating the magnitude of some quantity you will want to know if you are calculating the magnitude of a scalar or a vector. Put simply a magnitude is the size of some quantity. It is used in both vector and scalar quantities as a common factor. What is magnitude in Physics is. What Does Magnitude Mean in Physics. Earthquakes are measured in terms of. Magnitude refers to the general quantity or distance. Concerning the aspects of movement we can correlate. It allows users to determine the size of stars or other celestial objects. In physics magnitude is defined simply as distance or quantity. A magnitude is represented by a positive real number. Fo...