P1 Sean B. and Josh B. (no relation)

Card Set Information

P1 Sean B. and Josh B. (no relation)
2012-05-17 04:38:00
P1 Questions

Physics 1
Show Answers:

  1. Is it possible to burn poo for fuel?
    Yes it is!
  2. What is the equation for efficiency?
    Efficiency=Useful Energy Out/Total Energy in
  3. Name three ways you can lessen heat loss of a house?
    • Loft insulation
    • Cavity Wall Insulation
    • Hot Water Tank Jacket
    • Double Glazing
    • Draught Proofing
  4. List three the types of Energy?
    • Eletrical
    • Light
    • Sound
    • Kinetic
    • Nuclear
    • Thermal
    • Elastic Potential Energy
    • Chemical
  5. Name three different types of renewable energy?
    • Wind
    • Solar
    • Hydro
    • Wave
    • Tidal
    • Geothermal
    • Biofuels
  6. Which has the bigger wave length micro waves(no I don't meen the kitchen appliance) or X-rays?
    Micro Waves
  7. What is a Longitudinal Wave?
    A wave thats vibration's travel parralel to the direction of travel
  8. What is the best absorber?
    Black Matt object
  9. Whats is a shiny white surface best at, Absorbing or Reflecting light?
  10. What the three ways of heat transfer?
    • Radiation
    • Conduction
    • Convection
  11. What are the two Energy Sources?
    • Renewable
    • Non-renewable
  12. Name one disadvatages of Geothermal energy?
    • It has a high start up cost
    • There are few suitable location
  13. What is the best way to tranfer heat in a solid?
  14. What is the equation for KWH?
    Power(kw) x Times(hour)
  15. If the annual saving of double glazing is £40 and the initial cost is £4000 how long will it take to payback?
    100 years
  16. Which two enregy tansfer are electrical to Kinetic in these items?
    washing machine
    • Blender and washing machine
  17. What energy tansfer is in all of these items?
    Hair drier
    Eletrical into thermal energy
  18. What steps ups the voltage from power station to the grid?
    Step up transformer
  19. Name one disadvantages on nuclar power?
    • The waste is very dangerous
    • Chance of disaster ( chernobyl 1986)
    • Hard to decomission
  20. What is cheaper Boost the voltage or boost the current?
    High voltage