TC 9-64 _________________________________________________________________________
30. Noise.
31. Mechanical, electrical, and chemical.
32. A photon.
33. Angstrom unit.
34. Red, green and blue.
35. Magenta, yellow and cyan.
36. Reflected or absorbed.
37. None, all colors would be absorbed.
38. Translucent.
39. 186,000 miles per second or 300,000,000 meters per second.
40. Transmitted.
41. Diffused.
42. Light waves, heat waves, and radio waves.
43. The visible spectrum can be seen.
44. Electric field and magnetic field.
46. Electric field.
47. Magnetic field.
A-2