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The electromagnetic spectrum is a continuum of all frequencies and wavelengths of electromagnetic radiation, ranging from radio waves with the longest wavelengths and lowest energies to gamma rays with the shortest wavelengths and highest energies. It serves as the foundation for understanding various types of radiation within the context of physics, including their properties, interactions, and applications in science and technology. The electromagnetic spectrum encompasses a wide range of phenomena, from visible light that enables sight to X-rays used for medical imaging, making it an essential area of study under the broader category of radiation. By delving into the intricacies of this spectrum, one can grasp how different forms of radiation interact with matter and energy, leading to a deeper comprehension of their roles in various scientific disciplines and practical uses.