Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Solar power producing heat
16 practice questions
Practice questions
1–10 of 16
Question 1
1 mark · Easy
Answer and see the solution →State the form of energy that solar heating panels absorb from the Sun to heat water.
(a)[1 mark]State the form of energy that solar heating panels absorb from the Sun to heat water.
(b)[0 marks]Question 2
1 mark · Easy
Answer and check →Which of the following is an important design feature to increase the efficiency of a solar heating panel?
- A.The panel faces towards the Sun
- B.The panel is placed in a shaded area
- C.The pipes are painted white inside
- D.The panel is covered with thick metal plates
Question 3
2 marks · Easy
Answer and see the solution →Explain why the pipes inside a solar heating panel are usually painted black.
Question 4
3 marks · Easy
Answer and see the solution →A solar heating panel is used to heat water in a tank.
(a)[1 mark]State one way you could maximise how much sunlight falls on the panel in a day.
(b)[1 mark]State how the water is heated as it flows through the panel.
(c)[1 mark]Give one reason why the panel is insulated at the back.
Question 5
2 marks · Easy
Answer and see the solution →Consider a location in the northern hemisphere using solar heating panels.
(a)[1 mark]Which direction should panels face for best heating?
(b)[1 mark]Explain why this direction is chosen.
Question 6
1 mark · Easy
Answer and see the solution →State one reason why solar heating panels only provide small quantities of hot water.
Question 7
2 marks · Easy
Answer and see the solution →The diagram shows a solar heating panel used on a house.
Simple solar heating panel (a)[1 mark]Label on the diagram: i) The flow direction of water in the pipe
(b)[1 mark]State how the panel should be angled relative to sunlight for maximum efficiency.
Question 8
1 mark · Easy
Answer and see the solution →Give one way using solar heating panels helps protect the environment.
Question 9
4 marks · Normal
Answer and see the solution →A house uses solar heating panels to warm its water supply.
(a)[2 marks]Explain how a solar heating panel uses the Sun’s energy to heat water.
(b)[2 marks]State two features of a solar heating panel that help it absorb as much energy from the Sun as possible.
Question 10
4 marks · Normal
Answer and see the solution →Figure 1 shows a diagram of a simple solar heating panel.
Figure 1: Simple solar heating panel structure (a)[1 mark]Name the main energy transfer that takes place in the solar heating panel.
(b)[1 mark]Suggest one reason why the pipes in the panel are often painted black.
(c)[2 marks]Describe one way the panel’s design helps to reduce heat loss to the surroundings.