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Pearson Edexcel International GCSE (9–1) · PHYSICS · Section

Solar power producing heat

16 practice questions

Practice questions

11–16 of 16

  1. Question 11

    4 marks · Normal

    A solar panel provides hot water for a family during summer.

    (a)

    Give one advantage and one disadvantage of using solar heating panels for this purpose.

    [2 marks]
    (b)

    A panel is placed on the roof facing south in the UK. Explain why.

    [2 marks]
    Answer and see the solution →
  2. Question 12

    4 marks · Normal

    The table shows the temperature rise of water in a solar heating panel at different times of day.

    Temperature change with time for a solar panel (summer day)
    Time (h)Temperature rise (°C)
    08:002
    10:006
    12:0012
    14:0013
    16:008
    18:003
    (a)

    At what time is the temperature rise greatest?

    [1 mark]
    (b)

    Between which two times does the water temperature rise the fastest?

    [1 mark]
    (c)

    Suggest a reason why the rate of water heating falls after 14:00.

    [2 marks]
    Answer and see the solution →
  3. Question 13

    4 marks · Normal

    A student suggests painting the inside of a solar panel white instead of black.

    (a)

    Predict the effect this would have on the efficiency of the panel.

    [1 mark]
    (b)

    Explain your prediction.

    [3 marks]
    Answer and see the solution →
  4. Question 14

    4 marks · Normal

    A solar heating panel is covered with a glass sheet and insulated at the back.

    (a)

    State the function of the glass sheet.

    [2 marks]
    (b)

    What is the purpose of insulation at the back of the panel?

    [2 marks]
    Answer and see the solution →
  5. Question 15

    2 marks · Normal

    Which option describes the main way a solar panel is made more efficient at heating water?

    1. A.Painting the pipes white
    2. B.Placing the panel in the shade
    3. C.Insulating the back of the panel
    4. D.Using reflective materials on the inside
    Answer and see the solution →
  6. Question 16

    4 marks · Normal

    Describe how you could set up a simple experiment to show that a black container heats up faster in sunlight than a white one.

    (a)

    List the apparatus you would use for this experiment.

    [1 mark]
    (b)

    Describe what you would do in this experiment.

    [2 marks]
    (c)

    State what you would measure to compare the heating effect.

    [1 mark]
    Answer and see the solution →