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Topic 3 Thermal Physics: Quiz 1 Thermal Concepts

Jeffrey Piggott 11 Fragen 5,0 (1 Bewertung) Aktualisiert am 30 Dez 2016

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Fragen in diesem Quiz (11)

  1. 1Why is there a constriction in a clinical thermometer?



    1. AA to give the thermometer a smaller temperature range
    2. BB to make the thermometer more sensitive
    3. CC to prevent the mercury breaking the bulb when it expands
    4. DD to stop the mercury from going back to the bulb
  2. 2In a liquid-in-glass thermometer, the liquid column is 2.0 cm long at 0°C and it expands 10.0 cm when heated to 100 °C.
    Measuring from P, how long is the liquid column at 30 °C?     Bild zu Frage 2
    1. A2.3 cm
    2. B3.0 cm
    3. C5.0 cm
    4. D7.0 cm
  3. 3Which substance in the table is liquid at 20 °C? Bild zu Frage 3
    1. AA
    2. BB
    3. CC
    4. DD
  4. 4Which statement about boiling and evaporation is correct?
    1. AA Boiling can only occur at the surface of a liquid.
    2. BB Evaporation can only occur at a fixed temperature.
    3. CC Only boiling involves a change of phase.
    4. DD When some of a liquid evaporates, the rest of the liquid becomes cooler.
  5. 5There is one temperature, about 0.01 °C, at which water, water vapour and ice can co-exist in equilibrium.
    Which statement about the properties of the molecules at this temperature is correct?
    1. AA Ice molecules are closer to one another than water molecules.
    2. BB The mean kinetic energy of water molecules is greater than the mean kinetic energy of ice
      molecules.
    3. CC Water vapour molecules are less massive than water molecules.
    4. DD Water vapour molecules have the same mean speed as both ice and water molecules.
  6. 6A crystalline solid is heated at a constant rate and the change of temperature with time is shown in the graph.
    Which statement about the particles in the material is correct?     Bild zu Frage 6
    1. AA In the time from P to Q, the particles are arranged randomly.
    2. BB In the time from Q to R, some particles are arranged regularly and some particles are arranged randomly.
    3. CC In the time from R to S, the particles are widely spaced.
    4. DD The arrangement of the particles is the same in the time from P to S.
  7. 7 Below are four short paragraphs describing the molecules in a beaker of water at 50 oC.
    Which paragraph correctly describes the molecules?
    1. AA The molecules all travel at the same speed. This speed is not large enough for any of the
      molecules to leave the surface of the water. There are attractive forces between the molecules.
    2. BB The molecules have a range of speeds. Some molecules travel sufficiently fast to leave the
      surface of the water. There are no forces between the molecules.
    3. CC The molecules have a range of speeds. The fastest molecules are unable to leave the surface of the water. There are attractive forces between the molecules.
    4. DD The molecules have a range of speeds. Some molecules travel sufficiently fast to leave the surface of the water. There are attractive forces between the molecules.
  8. 8The diagram shows the atoms of a substance with the atoms at the corners of a cube. The average separation of the atoms at a particular temperature is 15 nm.
    When the temperature changes so that the average separation becomes 17 nm, by which factor will the density of the substance change?     Bild zu Frage 8
    1. AA 0.61
    2. BB 0.69
    3. CC 0.78
    4. DD 0.88
  9. 9A swimmer climbs out of a swimming pool on a warm, dry day. Almost immediately he begins to
    feel cold. Why is this?
    1. AA The water allows a convection current to remove heat from his skin.
    2. BB The water takes latent heat from his body in order to evaporate.
    3. CC The water on his skin is a good conductor of heat.
    4. DD The water prevents infra-red radiation from reaching his body.
  10. 10Ice at –10 °C is heated at a constant rate until it is water at +10 °C.
    Which graph shows how the temperature changes with time?
    1. AABild zu Antwort A
    2. BBBild zu Antwort B
    3. CCBild zu Antwort C
    4. DDBild zu Antwort D

Informationen

Beschreibung
Short quiz for section 3.1 of Topic 3
Sprache
English
Aufrufe
357
Verlauf
Erstellt am 19 Okt 2015 · aktualisiert am 30 Dez 2016
Bewertung
5,0 von 5 · 1 Bewertung
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