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Most of the energy we receive on Earth comes from the Sun - Edexcel - GCSE Physics - Question 6 - 2011 - Paper 1
Question 6
Most of the energy we receive on Earth comes from the Sun. The bar chart shows the percentages of solar radiation reflected by some materials. Percentage of solar ... show full transcript
Worked Solution & Example Answer:Most of the energy we receive on Earth comes from the Sun - Edexcel - GCSE Physics - Question 6 - 2011 - Paper 1
Step 1
Complete the sentence by putting a cross (X) in the box next to your answer.
Answer
To determine the percentage of solar radiation reflected by a rough piece of coal, we need to refer to the bar chart provided.
Looking at the bar corresponding to 'black road' which is the closest visual estimate for coal, we can see it is approximately between 10% to 20% reflected. However, since there is no direct bar for coal, the best estimate based on the given options would be:
A) 10%.
Thus, place an 'X' in the box next to option A.