Direct and Inverse Proportion
31
Medium
0/2

The sound intensity, SSS, from a speaker is inversely proportional to the square of the distance, r r\,r m, from the speaker.

S S\,S is given by the formula: S=144r2\displaystyle S = \frac{144}{r^2}S=r2144​

Find the sound intensity when the speaker is 6 m away.

[2]

Direct and Inverse Proportion Questions

Practise AQA GCSE Maths Direct and Inverse Proportion with exam-style questions for Foundation and Higher tier. 96 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

PreviousNext

Direct and Inverse Proportion Questions

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