5.1.9
- 1. What is electromagnetic momentum?
- 2. What are applications of EM waves in daily life?
- 3. What is dispersion in optical fibers?
- 4. What is optical fiber attenuation?
- 5. What are applications of EM waves in GPS?
- 6. What is EM interference (EMI)?
- 7. What is electromagnetic compatibility (EMC)?
- 8. How does Huygens’ principle explain refraction?
- 9. What is Huygens’ principle?
- 10. What is EM wave diffraction?
- 11. What is EM wave interference?
- 12. What is the average energy stored in EM waves?
- 13. How does amplitude affect energy?
- 14. What is energy density in EM waves?
- 15. What is radiation pressure?
- 16. What is power flow in EM waves?
- 17. What is intensity of an EM wave?
- 18. What does the direction of the Poynting vector represent?
- 19. What is Poynting vector?
- 20. What is energy transport in an EM wave?
- 21. What is electromagnetic radiation hazard?
- 22. How is ionizing radiation harmful?
- 23. What is radiation shielding?
- 24. Why are gamma rays dangerous?
- 25. What are uses of gamma rays?
- 26. What are gamma rays?
- 27. What are uses of X-rays in medicine?
- 28. How are X-rays produced?
- 29. What are harmful effects of UV radiation?
- 30. What are UV rays used for?
- 31. What causes the sky to appear blue?
- 32. What is the Tyndall effect?
- 33. What is scattering of light?
- 34. Why does a prism split white light?
- 35. What is visible spectrum?
- 36. How is infrared used in night vision?
- 37. What are applications of infrared radiation?
- 38. What is microwave oven working principle?
- 39. What are common uses of microwaves?
- 40. What are common uses of radio waves?
- 41. What is fiber optic communication?
- 42. Why are microwaves used in satellite communication?
- 43. What is remote sensing?
- 44. What is radar?
- 45. What is antenna gain?
- 46. What is bandwidth in communication?
- 47. What is digital modulation?
- 48. What is FM (Frequency Modulation)?
- 49. What is AM (Amplitude Modulation)?
- 50. What is modulation?
- 51. What is space wave propagation?
- 52. What is ground wave propagation?
- 53. What is sky wave propagation?
- 54. Why can radio waves travel long distances?
- 55. What is wave propagation in the ionosphere?
- 56. How do EM waves propagate in a medium?
- 57. How do EM waves propagate in vacuum?
- 58. What is radiation from an antenna?
- 59. What is antenna?
- 60. How are EM waves generated?
- 61. How do EM waves transfer energy?
- 62. What is attenuation?
- 63. What is absorption of EM waves?
- 64. What is dispersion?
- 65. What is interference?
- 66. What is diffraction?
- 67. What is refraction of EM waves?
- 68. What is reflection of EM waves?
- 69. What is polarization of EM waves?
- 70. Are EM waves transverse?
- 71. What is the wavelength range of visible light?
- 72. What are gamma rays?
- 73. What are X-rays?
- 74. What is ultraviolet radiation?
- 75. What is visible light?
- 76. What is infrared radiation?
- 77. What are microwaves?
- 78. What are radio waves?
- 79. What is the order of EM waves by frequency?
- 80. What is electromagnetic spectrum?
- 81. How do Maxwell’s equations relate to the speed of light?
- 82. What did Maxwell predict about EM waves?
- 83. Why are Maxwell’s equations important?
- 84. What is displacement current?
- 85. How did Maxwell unify electricity and magnetism?
- 86. What is Ampere-Maxwell law?
- 87. What is Faraday’s law?
- 88. State Gauss’ law for magnetism.
- 89. State Gauss’ law for electric fields.
- 90. What are Maxwell’s equations?
- 91. What is the wave equation for electromagnetic waves?
- 92. What is the relationship between electric and magnetic fields in an EM wave?
- 93. What medium is needed for electromagnetic wave propagation?
- 94. How do EM waves travel in space?
- 95. What are oscillating electric and magnetic fields?
- 96. What is the source of electromagnetic waves?
- 97. What is the nature of electromagnetic waves—transverse or longitudinal?
- 98. What is the speed of electromagnetic waves in vacuum?
- 99. Who discovered electromagnetic waves?
- 100. What are electromagnetic waves?