Please don't use this quiz as a staple revision source. I have made flash cards for P2 (not electronically) and when filtering through which answers I know and which I don't, this quiz is based on all the flash cards I didn't know. 

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1. How do coolants control chain reactions?

  • Removing the thermal energy produced in fission reactions so it can be used to heat water to produce steam to power turbines
  • Changing thermal energy into electrical energy to power turbines
  • By slowing down fast moving electrons
  • By using kinetic energy
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2. How does the KE produced from fission, in nuclear power stations, power turbines?

  • The KE is changed to electrical energy which powers the turbines
  • When KE is turned into heat and used to boil water to make steam - the steam powers turbines
  • When KE just powers turbines
  • The KE faces air resistance

3. What is exponential decay in half life?

  • When all the nuclei decays in 3 hours
  • When a quarter of the nuclei will decay in an hour
  • When a quarter of the nuclei will decay in half the time etc etc.
  • When the nuclei decays

4. What will experience air resistance?

  • Nothing
  • All objects moving in the air experience air resistance
  • Stationary objects
  • All objects moving undergroud

5. What is terminal velocity?

  • A constant velocity - when resultant force is 100
  • A constant velocity - when air resistance is equal to the weight of the object and the resultant force is now 0
  • A slow velocity
  • An alternating velocity


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