Not to be confused with Genus. For other uses, see Genius (disambiguation). A genius is a person who displays exceptional intellectual ability, creative productivity, universality in genres or originality, typically to a degree that is associated with the achievement of new advances in a domain of knowledge.
3. Mechanical waves are caused by wave amplitude and not by frequency. Electromagnetic Waves are produced by vibration of the charged particles. 4. While an electromagnetic wave is called just a disturbance, a mechanical wave is considered a periodic disturbance. Mechanical waves are also called elastic waves as their propagation depends on the elastic properties of the medium through which the waves pass.
Earth is the medium for earthquake waves. Waves that can travel only through a medium are called mechanical waves. Most waves, including water waves, sound waves, and earthquake waves, are mechanical waves. Electromagnetic waves are the most common kind of nonmechanical waves. READING TOOLBOX Compare After you read this section, make a chart comparing transverse and longitudinal waves.