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SS2: PHYSICS - 2ND TERM

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  1. Mechanical Energy & Machines | Week 1
    5 Topics
    |
    1 Quiz
  2. Temperature & its Measurement I | Week 2
    3 Topics
    |
    1 Quiz
  3. Temperature & its Measurement II | Week 3
    7 Topics
    |
    1 Quiz
  4. Heat Energy Measurement | Week 4
    4 Topics
    |
    1 Quiz
  5. Latent Heat I | Week 5
    4 Topics
    |
    1 Quiz
  6. Latent Heat of Vaporisation | Week 6
    2 Topics
    |
    1 Quiz
  7. Vapour Pressure | Week 7
    7 Topics
    |
    1 Quiz
  8. Gas Laws | Week 8
    5 Topics
    |
    1 Quiz



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Topic Content:

  • Vapour Pressure

Vapour pressure is a measurement of the amount of moisture in the air or technically, the pressure of water vapour above the surface of water.

Heat must be supplied to a solid or liquid to effect vaporization. If the surroundings do not supply enough heat, it may come from the system itself as a reduction in temperature.

When some liquid is poured into a vessel that is enclosed and gets continually heated, evaporation occurs and vapour begins to fill the space above the liquid. The vapour molecules move within the space at high speed and in all directions.

 

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