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RADD 2501 Lecture Notes - What Is X-Ray

RADD 2501 Lecture Notes - What Is X-Ray - The...

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What is X-ray? RADD 2501
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RANGE IN MATTER PRODUCTION EM SPECTRUM WAVE EQUATION MASS? CHARGE? VELOCITY? X-RAY
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Electromagnetic energy is the transport of Energy through space as a combination of electric and magnetic fields. Two overlapping sine waves, one representing an electric Field and the other a magnetic field, illustrate electromagnetic radiation
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Properties of Electromagnetic Radiations • No mass • No Charge • Velocity = the speed of light
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Electromagnetic radiation is produced by a charge (Usually a charged particle) Being accelerated/decelerated
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Unformatted text preview: The Electromagnetic Spectrum NASA youtube • http://www.youtube.com/watch? v=cfXzwh3KadE IONIZATION • Ionization is the ability to totally remove an electron form it’s orbit around a nucleus • X-Rays, gamma rays and possibly some very short wavelength UV rays are the ONLY electromagnetic radiations capable of ionizing matter Ionizing radiations • http://www.youtube.com/watch? v=K_zc1WKT0CA&feature=related Range of X-Rays in Matter • 1 – 100 meters in air • 0-30 cm in soft tissue...
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