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| the smallest quantity of any type of electromagnetic radiation |
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| the fashion of electric and magnetic fields that are continuously changing |
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| what are the 4 properties used to describe photons |
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| velocity, amplitude, frequency, and wavelength |
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| the speed at which something is traveling, speed of light, 3x10 to the 8th m/s |
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| 1/2 the range from crest to valley or how tall the wave is in reference to it's baseline |
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| the distance from any point on the sine wave to the next corresponding point (measured in meters) |
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| the number of wavelengths passing a given point per second (measured in hertz (cycles per second) |
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| what is the relationship between wavelength and frequency |
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| inversely proportional, as one increases the other decreases |
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| what is the electromagnetic wave equation |
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| what is included in the electromagnetic spectrum |
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| what is the range of electromagnetic radiation |
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| 10 to the 2nd Hz to 10 to the 24th Hz |
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| what is the relationship between the energy of a photon and its frequency |
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Definition
| directly proportional, as one increases, the other increases by the same amount |
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| wavelength valued between 400nm to 700 nm (smallest segment of the spectrum) |
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| not part of the electromagnetic spectrum |
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| what is the difference between x-rays and gamma rays? |
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| thier origin: x-rays come from the electron cloud and gamma rays come from inside the nucleus of a radioactive atom |
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| what is the dual nature of electromagnetic radiation |
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| it can behave as a wave(visible light) or a particle(x-rays) |
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| the reduction in intesity resulting from scattering and absorption |
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| a property of structures or objects that attenuate x-rays |
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| a property of structures or objects that absorb x-rays |
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| radiation intensity is inversely related to the square of the distance from the source |
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| the law of conservation of energy/matter |
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| energy or matter can be neither created nor destroyed, but can be changed from one form to another |
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| if you move the decimal to the left: |
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| if you move the decimal to the right: |
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| you subtract from the exponent |
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| what is the inverse square law formula |
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| I1(D1)squared=I2(D2)squared |
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