Solar power producing heat
2 marks · EasyConsider a location in the northern hemisphere using solar heating panels.
Which direction should panels face for best heating?
Explain why this direction is chosen.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(a) South
(b) Because the Sun is always to the south at midday in the northern hemisphere, giving maximum sunlight.
Common mistakes: face north (incorrect in northern hemisphere)
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Marking points
B1 (a) · 1 mark · Correct direction given as south.
B1 (b) · 1 mark · Gives correct reasoning about Sun's position and maximum sunlight.
Worked solution
a) South b) This is because in the northern hemisphere, the Sun is highest and brightest in the south at midday, giving the panel maximum energy.