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light

QuestionAnswer
1. Radiation the emission of energy in the form of EM(electromagnetic) waves
2. Particle wave theory of light
3. Electromagnetic Spectrum the entire range of EM waves and arranged long to short
4. Radio Waves low energy waves and longest wavelengths and lowest frequency
5. AM Radio amplitude modulation so can reflect off the ionosphere so they travel long distances
6. FM Radio frequency modulation so pass through the ionosphere so don’t travel as far as AM waves
7. Ionosphere layer of the atmosphere
8. Microwaves shorter wavelengths and higher frequency than radio waves
9. Radar radio detection and ranging used to detect speed and location of objects
10. Infrared Waves emitted by the sun and are absorbed by your skin and shorter wavelengths and higher frequencies than microwaves so they carry more energy
11. Visible Light very narrow range of wavelengths and frequency in electromagnetic spectrum that humans can see
12. Ultraviolet Light produced by the sun and have shorter wavelengths and higher frequency so carry more energy than visible light
13. X-Rays great energy and shortest wavelengths and highest frequencies easily penetrated
14. Gamma Rays shortest wavelengths and highest frequencies easily penetrated great energy
15. Law of Reflection states that the angle of incidence(the falling of a beam of light on a suface) is equal to the angle of reflection
16. Regular Reflection occurs when light beams are reflected at the same anglea reflection on the surface
17. Diffuse reflection occurs when light beams are reflected at many different angles no reflection
18. Absorption the transfer of energy carried by light waves to particles of matter
19. Scattering the release of light energy by particles of matter that are absorbed energy
20. Transmission the passing of light through matter
21. Transparent matter through which visible light is easily transmitted
22. Opaque matter that does not transmit any color
23. Translucent matter transmits light but also scatters the light as it passes through the matter
24. Primary Colors of Light red blue and green
25. Pigment a material that gives a substance its color by absorbing some colors of light and reflecting others
26. Primary Pigments yellow cyan magenta(purple)
27. Prism made of glass with triangular ends, used to disperse light and break it up into a spectrum
28. Plane Mirror a mirror with a flat surface
29. Concave Mirror mirrors curved inward spoon
30. Convex Mirror a mirror that curves out toward you back of spoon
31. Virtual Image a image through which light does not really travel
32. Real Image a image through which light actually passes
33. Concave Lens thinner in the middle than edges
34. Convex Lens thicker in the middle than the edges
35. Retina the back surface of the eye
36. Nearsightedness can see objects clearly if the object is nearby faraway object blurry
37. Farsightedness can see faraway objects clearly nearby objects blurry
38. Colorblindness cannot distinguish colors
39. Rods rod-shaped cells in the retina of the eye of animals. Rods are more sensitive to light than cones and are responsible for the ability to see in dim light.rods are insensitive to red wavelengths of light and do not contribute to the perception of color.
40. Cones One of the cone-shaped cells in the retina of the eye of many vertebrate animals. Cones are extremely sensitive to light and can distinguish among different wavelengths. Cones are responsible for vision during daylight and for the ability to see colors.
41. Laser a device that produces intense of only one color and wavelength
42. Hologram piece of film on which an interference pattern produces a 3d image of an object
43. Maiman created the first laser
44. Dennis Gaber invented hologram
45. Luminous objects that produce visible light
46. Illuminated a visible object that is not a light source
Created by: Lakeia
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