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Sound waves are not part of the electromagnetic spectrum. Sound waves are mechanical waves that require a medium to travel through, such as air, water, or solids, while electromagnetic waves can travel through a vacuum.
Those are called electromagnetic waves.
Sound waves do not belong in the electromagnetic spectrum. Sound waves are mechanical waves that require a medium (such as air or water) to travel through, unlike the electromagnetic waves that can travel through a vacuum.
Frequency determines this.
The electromagnetic spectrum is called a spectrum because it consists of a range of electromagnetic waves or radiation, each with a unique wavelength and frequency. When these waves are arranged in order of their wavelengths, they form a continuous spectrum of different colors and energies.
The electromagnetic spectrum includes all forms of electromagnetic radiation, ranging from high-frequency gamma rays and X-rays to visible light and radio waves. It encompasses all wavelengths and frequencies of electromagnetic radiation.