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Electromagnetic radiation with extremely high frequencies
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- Light is electromagnetic radiation with extremely high frequencies. For visible light, those frequencies lie roughly between 400 THz and 750 THz, corresponding to the wavelength range from 400 nm to 750 nm.
Sep 25, 2019 · Ionizing radiation includes far ultraviolet light, X-rays and gamma rays. These types of high-energy radiation can cause cancer or even kill cells directly . That’s why you wear a lead apron when getting a dental X-ray.
Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye. [1] Visible light spans the visible spectrum and is usually defined as having wavelengths in the range of 400–700 nanometres (nm), corresponding to frequencies of 750–420 terahertz.
Nov 14, 2024 · Light is electromagnetic radiation that can be detected by the human eye. Electromagnetic radiation occurs over an extremely wide range of wavelengths, from gamma rays with wavelengths less than about 1 × 10 metres to radio waves measured in metres.
Dec 7, 2017 · Answer link. The order of energy from least to greatest is: microwaves, infrared, red, ultraviolet, and gamma waves. The energy of an electromagnetic wave is directly proportional to its frequency. This means that the greater the frequency, the greater the energy.
Key points. There is a wide range of electromagnetic radiation in nature, and visible light is one example. Radiation with the highest energy includes forms like ultraviolet radiation, x-rays, and gamma rays. X-rays and gamma rays can remove electrons and cause the atom to become ionized.
Apr 8, 2008 · Visible light — which, like all electromagnetic radiation, travels in waves — includes wavelengths between about 380 nanometers (violet) and about 740 nanometers (red). Radiation with wavelengths shorter than visible light includes gamma rays, X-rays and ultraviolet light.
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Gamma rays, X-rays, and extreme ultraviolet rays are called ionizing radiation because their high photon energy is able to ionize atoms, causing chemical reactions. Longer-wavelength radiation such as visible light is nonionizing; the photons do not have sufficient energy to ionize atoms.
