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Flashcards

1_EM Spectrum and Properties

Britney Bullen Science AQA English 25 cards

Cards in this deck (25)

  1. 1What kind of waves are Electromagnetic Waves?Electromagnetic Waves are transverse waves made up of electric and magnetic fields
  2. 2What is the Amplitude?Amplitude is how high the wave is
  3. 3What is Wavelength?The wavelength is the distance between two corresponding points
  4. 4What is Frequency?Frequency is the amount of waves that pass by every second. t is measured in Hertz
  5. 5Finish of the following sentence: The shorter the wave length, the____its frequencyHigher
  6. 6Finish the following sentence: The shorter the wavelength, the ______its energy.Higher
  7. 7Fill in the gaps of the following sentence:# The_______its frequency, the _____its energyHigher and Higher
  8. 8What happens when waves hit a surface?When waves hit a surface, they are either reflected, transmitted or absorbed.
  9. 9What does the waves behavior depend on?The waves behavior depends on it's energy and type of material
  10. 10At what speed do all Electromagnetic Waves travel at?All electromagnetic waves travel at the same speed.
    In a vacuum (space) they travel at 300,000,000 m/s
  11. 11What is the EM Spectrum?The EM Spectrum is the continuous series in order of changing wavelength, frequency and energy
  12. 12In what order does the EM Spectrum go?uhi
  13. 13What are radio waves used in?Radio Waves are used in telecommunications, television,and Radio Broadcasting.
  14. 14How are radio waves produced?They are produced by the acceleration of electrons in a magnetic field or the oscillation of electrons by an electronic field
  15. 15What are Microwaves used in?Microwaves are used in communications, radar and microwave ovens.
    (They are reflected by metals but absorbed by living tissues and other materials)
  16. 16What are microwaves produced in?Microwaves are produced in machines such as magetrons
  17. 17What is infrared used in?Infrared is used in remote controls, photography, meteorology and astronomy.
    (They are reflected by shiny surfaces and absorbed by other materials)
  18. 18How are infrared waves produced?Infrared is produced by hot objects
  19. 19What is visible light used in?Visible light is used in sight and communications.
    (It is reflected by shiny surfaces and absorbed by others)
  20. 20How is visible light produced?Visible light is produced by very hot objects, electric discharge and some chemical reaction.
  21. 21What is Ultra Violet used in?Ultra violet is used in Lighting for Entertainment and Security, Sunbeds, Disinfection and Astronomy. It is absorbed by materials.
  22. 22How is Ultra Violet Produced?Ultra Violet is produced by stars, sparks, arc wielding and electric discharge
  23. 23How/ When are X-Ray used?X-rays are used in Medical Imaging, Crystallography and Airport Security.
  24. 24What is Gamma Rays used in?Gamma Rays is used in radiotherapy, disinfectant/ irradiation of food and medical equipment.
    (It can pass through most materials but is absorbed by dense materials)
  25. 25What is Gamma Rays produced by?It is caused by Radioactive decay

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AQA Science (EM Spectrum) Flashcards on 1_EM Spectrum and Properties, created by Britney Bullen on 02/06/2016.
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Britney Bullen
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  • Created by Britney Bullen · Jun 2, 2016
  • Copied by Britney Bullen · Jun 2, 2016
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