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Question 1 - PowerPoint PPT Presentation


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Question 1 . What has the highest energy photons? A) gamma B) micro waves C) radio waves D) light. Question 2 . What has the shortest wavelength A) Radio waves B) Gamma rays C) Visible light D) UV. Question 3 . What colour of light transfers more energy photons per second?

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Presentation Transcript
question 1
Question 1
  • What has the highest energy photons?
  • A) gamma
  • B) micro waves
  • C) radio waves
  • D) light
question 2
Question 2
  • What has the shortest wavelength
  • A) Radio waves
  • B) Gamma rays
  • C) Visible light
  • D) UV
question 3
Question 3
  • What colour of light transfers more energy photons per second?
  • Blue
  • Red
  • Violet
  • Green
question 5
Question 5
  • What E.M radiation is absorbed by the ozone layer?
  • A) Gamma
  • B) X-rays
  • C) UV
  • D) Infra red
question 6
Question 6
  • Why is ionisation radiation so dangerous?
  • A) It causes mutations in DNA
  • B) It is absorbed by bone
  • C) It causes the synthesis of Vitamin D
  • D) It vibrates water molecules to produce heat
question 7
Question 7
  • Why chemical depletes the ozone layer?
  • A) Methane
  • B) CFC’s
  • C) water vapour
  • D) Carbon dioxide
question 8
Question 8
  • What is an ion?
  • A) an atom that has gained an electron
  • B) A free radical
  • C) charged particle
  • D) high energy photon
question 9
Question 9
  • Why are x-rays absorbed by bones but gamma passes straight through?
  • A) Gamma has higher energy photons
  • B) X-rays are slightly less energetic
  • C) X-rays are slightly less energetic
  • D) X-rays have less electrons
slide9

Intensity is what?

  • A) Energy per meter squared
  • B) How many electrons are transferred by the wave
  • C) Energy transferred per second per M squared
  • D) Energy transferred per minute per cm squared