Oscillation refers to the repetitive variation, typically in time, of some measure about a central value or between two or more different states. It is a fundamental concept in physics and engineering, underlying phenomena such as sound waves, alternating current, and the motion of pendulums.

Oscillation

repetitive variation

central value

two or more different states

fundamental concept

Physics is the fundamental science that seeks to understand the nature and behavior of matter and energy in the universe, covering phenomena from the smallest subatomic particles to the largest cosmic structures. It provides the foundational principles that underpin other sciences and technologies, offering insights into the laws governing the physical world and enabling advancements in various fields.

physics

Engineering is the application of scientific and mathematical principles to design, build, and analyze structures, machines, and systems, aiming to solve real-world problems efficiently and sustainably. It encompasses a wide range of specialized fields that address various aspects of technology and innovation, driving progress in industries and improving quality of life.

engineering

Sound waves are longitudinal waves that travel through a medium by compressing and rarefying particles, allowing us to perceive sound. They are characterized by properties such as frequency, wavelength, amplitude, and speed, which determine the pitch, loudness, and timbre of the sound we hear.

sound waves

Alternating current (AC) is an electric current that periodically reverses direction, in contrast to direct current (DC) which flows only in one direction. AC is the form of electrical power that is delivered to homes and businesses, and it is the form of electrical energy that consumers typically use when they plug appliances into a wall socket.

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