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Explanation:Hello! Radiation refers to the emission or transmission of energy in the form of waves or particles through space or a material medium. This includes electromagnetic radiation such as radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays, as well as particle radiation like alpha and beta radiation from radioactive decay. It can occur naturally or be man-made and has various applications in medicine, industry, and research.
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Radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium. This includes:
- **Electromagnetic radiation** such as radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.
- **Particle radiation** such as alpha radiation (α), beta radiation (β), and neutron radiation (particles of non-zero rest energy).
- **Acoustic radiation** such as ultrasound, sound, and seismic waves (dependent on a physical transmission medium).
- **Gravitational radiation**, radiation that takes the form of gravitational waves, or ripples in the curvature of spacetime.
Radiation can come from natural sources like the sun, or from artificial sources like medical X-rays. Some types of radiation are harmful to living organisms, while others are not.
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