Physics 1.6 - Red Shift

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

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1. What does CMBR stand for?

  • Constant Metallic Background Radiation
  • Cosmic Microwave Background Radiation
  • Cosmic Magnetic Background Radiation
  • Constant Multiple Background Radiation
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2. What happens to sound waves emitted from a police car moving towards you?

  • Their frequency appears increased, so their pitch increases
  • Their wavelength appears increased, so their pitch increases
  • Their amplitude appears increased, so their pitch increases
  • They move faster, so their pitch increases

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

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

4. What does Red Shift prove?

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

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

  • Yellow
  • Black
  • Blue
  • Red

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