Difference between revisions of "Inversely Proportional"
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| style="height:20px; width:200px; text-align:center;" |This [[Scatter Graph|scatter graph]] of [[Image Distance]] against [[Object Distance]] of a [[Lens]] begins with a steep negative [[gradient]] which becomes more shallow until the [[gradient]] is almost zero. The relationship is '''inversely proportional'''. | | style="height:20px; width:200px; text-align:center;" |This [[Scatter Graph|scatter graph]] of [[Image Distance]] against [[Object Distance]] of a [[Lens]] begins with a steep negative [[gradient]] which becomes more shallow until the [[gradient]] is almost zero. The relationship is '''inversely proportional'''. | ||
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| + | ===References=== | ||
| + | ====AQA==== | ||
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| + | :[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Inverse proportionality, page 164, GCSE Combined Science Trilogy; Physics, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Inverse proportionality, pages 114, 196, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA ''] | ||
Revision as of 16:18, 7 November 2019
Contents
Key Stage 4
Meaning
When two variables are inversely proportional when one variable gets larger, the other variable gets smaller.
About Inverse Proportionality
- A scatter graph showing an inversely proportional relationship has a curved gradient.
- On an inversely proportional scatter graph when one variable increases, the other decreases but the change is not constant.
- The line of best fit on an inversely proportional graph will not cross either axis.
Examples
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| This scatter graph shows that x is inversely proportional to y; as the magnitude of x increases the magnitude of y decreases. | This scatter graph of Image Distance against Object Distance of a Lens begins with a steep negative gradient which becomes more shallow until the gradient is almost zero. The relationship is inversely proportional. |