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Electromagnetic waves are produced whenever charged particles are accelerated, and these waves can subsequently interact with any charged particles. EM waves carry energy, momentum and angular momentum away from their source particle and can impart those quantities to matter with which they interact.
Originally Answered: Why are radio waves (light) able to travel through buildings, but visible light is not? It all boils down to frequency which is proportional to energy. Wavelength of em wave is = c/f so as frequency changes, and c is constant, wavelength changes and the length of this wave dictates whether it interacts with atoms in a medium or not.