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P1.1

Kai Pischke 8 preguntas

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Preguntas del test (8)

  1. 1infrared radiation is emitted by...
    1. Avery hot objects only
    2. Bsolids only
    3. Celectronic appliances only
    4. Dall objects
  2. 2[blank_start]Matt[blank_end] surfaces are better emitters than [blank_start]shiny[blank_end] surfaces and [blank_start]dark[blank_end] surfaces are better emitters than [blank_start]light[blank_end] surfaces.
    1. AMatt
    2. BShiny
    3. Cshiny
    4. Dmatt
    5. Edark
    6. Flight
    7. Glight
    8. Hdark
  3. 3Convection can only happen in a...
    1. Aliquid
    2. Bgas
    3. Csolid
    4. Dfluid
  4. 4Condensation on a surface can be increased by increasing the [blank_start]area[blank_end] of the surface or decreasing the [blank_start]temperature[blank_end] of the surface.
    1. Aarea
    2. Btemperature
    3. Chardness
    4. Dtemperature
    5. Earea
    6. Fhardness
  5. 5What changes the rate at which a substance changes temperature when heated?
    1. Aspecific heat capacity of the substance
    2. Benergy supplied too it
    3. Cits mass
    4. Dits shape
    5. Eits size
    6. Fits capacitance
  6. 6What features make a vacuum flask good at keeping hot drinks hot and cold drinks cold and why?Imagen de la pregunta 6
    1. Aplastic cap (plastic is an insulator) to minimise conduction and prevent evaporation
    2. Bdouble walled container to prevent conduction
    3. Csilvered inside surface to reflect radiation
    4. Dmatt inside surface to absorb heat
    5. Econductive metal cap to help transfer heat
    6. Fcopper spring for support and to conduct heat
    7. Gvacuum chamber to prevent conduction and convection
    8. Hvacuum chamber to prevent radiation
  7. 7Water molecules escape from a pan at room temperature in a well ventilated room. This is because of [blank_start]evaporation[blank_end] and it will continue until all the water has [blank_start]evaporated[blank_end].
    1. Aevaporation
    2. Bcondensation
    3. Cboiling
    4. Dmelting
    5. Eosmosis
    6. Fcooling
    7. Gevaporated
    8. Hcooled
    9. Ifrozen
    10. Jboiled
    11. Kstopped moving
  8. 8When insulating a home, [blank_start]fibreglass loft insulation[blank_end] can reduce energy transfer by conduction; [blank_start]cavity wall insulation traps air in[blank_end] small pockets to reduce convection and aluminium foil between a radiator and a wall panel can reduce energy lost by [blank_start]radiation[blank_end]. Draught proofing can also reduce energy lost by [blank_start]convection[blank_end].
    1. Afibreglass loft insulation
    2. Bsolar heating panels
    3. Ccavity wall insulation traps air in
    4. Ddouble glazed windows trap air in
    5. Eradiation
    6. Fconduction
    7. Gconvection

Información

Descripción
AQA Physics 1 section 1
Idioma
English
Visitas
18
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