Physics 1.6 - Red Shift

Quick 10 question quiz on the topic P1.6 - Red Shift.

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1. Which of these statements about the Doppler effect is TRUE?

  • When a source moves towards an observer, the observed wavelength expands
  • When a source moves towards an observer, the observed wavelength decreases
  • When a source moves towards an observer, the observed frequency decreases
  • When a source moves towards an observer, the observed wavelength increases
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2. A group of similar waves ordered by frequency or wavelength?

  • Atrium
  • Spectrum
  • Datum
  • Wavrum

3. What does Red Shift prove?

  • The galaxies are moving around us
  • The galaxies are moving away from us
  • The galaxies are moving towards us
  • The galaxies emit more red light than blue

4. When stars are moving towards us, their light appears...?

  • Yellow
  • Black
  • Blue
  • Red

5. Why is the light from distant stars Red-Shifted?

  • They are moving away from us
  • The blue light they produce is not visible
  • They produce more red light than other galaxies
  • The longer wavelengths are dispersed

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