You're reading these words because light waves are bouncing off the letters on the page and into your eyes. The sounds of the rustling paper or beeps of your computer reach your ear via compression ...

Now that I am a working professional, I am reviewing the acoustic theory I learned in college. The previous post is here.

An IGCSE level worksheet requiring students to use and manipulate the wave equation v = fλ. Extension questions involve SI Prefixes and interpreting displacement-time and displacement-distance graphs.

A wave number, or wavenumber, refers to the spatial frequency of a wave over a specific unit distance. The wave number is measured either in cycles per unit distance or in radians per unit distance, ...