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Direct and Inverse Proportion

Direct and Inverse Proportion

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Question 5
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The intensity of light, LLL, from a source is inversely proportional to the square of the distance, d d\,d m, from the source.

L L\,L is given by the formula: L=200d2\displaystyle L = \frac{200}{d^2}L=d2200​

Find the light intensity when the distance is 5 m.

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Direct and Inverse Proportion Questions

  1. GCSE
  2. /Maths
  3. /Direct and Inverse Proportion

50 exam-style questions on AQA GCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.

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