Physics 1.6 - Red Shift

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

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1. How do scientists explain the presence of CMBR?

  • Dust and debris from exploding stars affects the radiation equipment
  • It is remaining heat radiation from the Big Bang
  • It is heat radiation emitted when distant stars explode
  • It is light radiation left over from the Big Bang
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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
  • They move faster, so their pitch increases
  • Their wavelength appears increased, so their pitch increases
  • Their amplitude appears increased, so their pitch increases

3. How do scientists explain Red Shift?

  • The entire universe is expanding
  • The universe is rotating about an axis
  • The entire universe is collapsing
  • The universe will eventually collapse

4. When did the Big Bang occur?

  • 13,700 million years ago
  • 13.7 million years ago
  • 1,370 million years ago
  • 137 million years ago

5. 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

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