None - except that we have a grasp of the mathematical properties of sine waves.
Sine waves seldom occur in nature ... but they often come close enough to be approximated by a sine wave.
Fractions in decimal form are easy to compare and to add and subtract from one another.
Radiant energy travels in the form of electromagnetic waves. These waves include visible light, ultraviolet light, infrared radiation, and other forms of electromagnetic radiation.
When a combination of waves come together to form a larger wave, it is called interference. Interference can be constructive, where the waves reinforce each other and the resulting wave is stronger, or destructive, where the waves cancel each other out and the resulting wave is weaker.
Interference is the phenomenon in which two or more waves combine to form a smaller wave due to their overlapping. This can result in either constructive interference (where the waves reinforce each other) or destructive interference (where the waves cancel each other out).
sound
When two or more waves combine to form a new wave, it is called wave interference. Depending on the properties of the combining waves, the interference can be constructive (waves combine to create a larger wave) or destructive (waves cancel each other out).
A combination of waves that form a larger wave is called a superposition. This occurs when multiple waves interact with each other, creating a resulting wave pattern that reflects the combined effects of all the individual waves.
"Compare" is a verb that does not have an adjective form.
Sound waves are not a form of radiation. Radio waves, microwaves, and gamma rays are all forms of electromagnetic radiation that can travel through space. Sound waves, on the other hand, require a medium (such as air, water, or solids) to propagate.
Because waves ARE curved shapes!
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Interference