Speed of Light

# Why do gamma rays travel at the speed of light?

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Gamma rays travel at the speed of light because both light and gamma rays are variants of the same thing: electromagnetic radiation.

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## Related Questions Gamma rays travel exactly the speed of light because gamma rays are light Because gamma rays are exactly the same thing that light is, only with shorter wavelengths.   Gamma rays. Since they are electromagnetic waves, they travel at the speed of light. No, they travel at the same speed of light that is 299,792 kmsec-1(in vacuum). Yup. Everything in the electromagnetic spectrum travels at the same speed. Yes. Gamma Rays are photons (like visible light, just at another part of the electromagnetic spectrum). They travel with constant velocity at the speed of light (only in a vacuum). Although the original speed of the gamma ray varies. Visible light and gamma rays are different parts of the full spectrum of light. Since they are really both just light, they travel at the same speed, the speed of light. 186,000 miles per second. Like all forms of light (ie, electro-magnetic radiation), gamma rays in a vacuum travel at exactly 299,792,458 meters per second. Gamma rays are a form of electromagnetic radiation, just as light is, and all EM waves propagate at the speed of light through a vacuum. Both are forms of electromagnetic energy and travel at the same speed, which is the speed of light. Yes. And radio, heat, ultraviolet, X-rays, and gamma rays also all travel at that same speed. Light is a term we give to electromagnetic radiation in the visible spectrum. All electromagnetic rays travel at the speed of light. All the electro-magnetic waves travel at the speed of light. Electromagnetic spectrum includes the following: * X-rays * Gamma rays * Ultraviolet rays * Infrared waves * Microwaves * Radio waves * Cosmic rays yes gamma rays are part of the electromagnetic spectrum and travel at the speed of light c (3x10^8 ms-1) Same speed - light and gamma rays are both electromagnetic waves, but with different frequencies. The speed of light in a vacuum is the same for all light, regardless of the frequency of that light. Thus, all visible light travels at the same speed, and gamma rays (which are of a much higher frequency) will travel at that speed as well. Every color of light has the same identical speed in vacuum. Radio, X-rays,microwaves, heat waves, and gamma rays also all have the same speed.All colours travel at the same speed. Gamma rays are electromagnetic waves, therefore they move at the speed of light. Gamma have higher frequency. But travel in same speed Same as speed of light "C". Gamma Rays are also form of Electro Magnetic Radiations All EMR incl Light travel at same speed in same medium. Which is normally approximated to 3 x 10^8 m/s Neutrinos can be nearly as fast as light. All electromagnetic radiation (light, X-rays, gamma rays, radio waves, microwaves) travels at the same speed. Gravitons, if they exist, travel at the speed of light. They're not. They travel at exactly the same speed as plain old pokey radio and light, but they have much higher frequencies. Gamma rays can pass through the human body, cement, soil, paper, wood, and practically anything because they have such high energy and travel at the speed of light.

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