Difference between revisions of "Wavelength"
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<math> \lambda = 2.1m</math> | <math> \lambda = 2.1m</math> | ||
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+ | |||
+ | ===References=== | ||
+ | ====AQA==== | ||
+ | |||
+ | :[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Wavelength, page 183, GCSE Physics, Hodder, AQA ''] | ||
+ | :[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe10426 ''Wavelength, page 219, GCSE Combined Science; The Revision Guide, CGP, AQA ''] | ||
+ | :[https://www.amazon.co.uk/gp/product/178294558X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294558X&linkCode=as2&tag=nrjc-21&linkId=f0dfb66dafcb0c6e9449e7b1a4ae1ac495 ''Wavelength, page 73, GCSE Physics; The Revision Guide, CGP, AQA ''] | ||
+ | :[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 ''Wavelength, pages 189, 191, 194, 196, 200, GCSE Combined Science Trilogy; Physics, CGP, AQA ''] | ||
+ | :[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Wavelength, pages 191-3, 200-1, 213, 237, 288-9, GCSE Physics; Student Book, Collins, 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 ''Wavelength, pages 226, 228, 231, 233, 242, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA ''] | ||
+ | :[https://www.amazon.co.uk/gp/product/1471851362/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851362&linkCode=as2&tag=nrjc-21&linkId=7d78d70a2044ee9982dae010c94af92a ''Wavelength, pages 257, GCSE Combined Science Trilogy 2, Hodder, AQA ''] | ||
+ | :[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Wavelengths, pages 176, 190-191, 194, 205-206, GCSE Physics; Third Edition, Oxford University Press, AQA ''] | ||
+ | |||
+ | ====Edexcel==== | ||
+ | |||
+ | :[https://www.amazon.co.uk/gp/product/1782945741/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945741&linkCode=as2&tag=nrjc-21&linkId=30da4f2178da182547b62a7329d13b57 ''Wavelength, pages 164-166, GCSE Combined Science; The Revision Guide, CGP, Edexcel ''] | ||
+ | :[https://www.amazon.co.uk/gp/product/1782945733/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945733&linkCode=as2&tag=nrjc-21&linkId=2a2dbec9db6bf5766c0458d908fa0a52 ''Wavelength, pages 32, 34, 40, 61, GCSE Physics; The Revision Guide, CGP, Edexcel ''] | ||
+ | :[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Wavelength, pages 49, 94, GCSE Physics, Pearson Edexcel ''] | ||
+ | |||
+ | ====OCR==== | ||
+ | :[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Wavelength, pages 142-144, 153, 256, Gateway GCSE Physics, Oxford, OCR ''] | ||
+ | :[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Wavelength, pages 186-188, 192, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR ''] | ||
+ | :[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Wavelength, pages 59-61, 63, 66, 70, 98, Gateway GCSE Physics; The Revision Guide, CGP, OCR ''] |
Latest revision as of 12:04, 25 December 2019
Contents
Key Stage 3
Meaning
Wavelength is the distance between a point on one wave and an identical point on the next wave.
About Wavelength
- Wavelength is measured in metres.
The wavelength is the length of one wave including the peak and trough. |
Key Stage 4
Meaning
Wavelength is the distance between two identical points on adjacent waves.
About Wavelength
- Wavelength is a scalar quantity because it has magnitude only.
- The SI Unit of wavelength is the metre.
The wavelength is the length of one wave including the peak and trough. |
Equation
NB: You should remember this equation with v as the subject of the formula. Wavelength = (Wave Speed)/(Frequency)
\(\lambda = \frac{v}{f}\)
Where
\(\lambda\) = The wavelength of the wave.
\(v\) = The wave speed of the wave.
\(f\) = The frequency of the wave.
Example Calculations
A wave with frequency 700Hz travels at a speed of 340m/s. Calculate the wavelength of the wave correct to two significant figures. | A 630MHz radiowave travels at 300,000,000m/s in a vacuum. Calculate the wavelength of this radiowave correct to two significant figures. |
1. State the known quantities
f = 700Hz v = 340m/s |
1. State the known quantities
f = 630MHz = 630x106Hz v = 300,000,000m/s = 3x108m/s |
2. Substitute the numbers into the equation and solve.
\( \lambda = \frac{v}{f}\) \( \lambda = \frac{340}{700}\) \( \lambda = 0.48571m\) \( \lambda \approx 0.48m\) |
2. Substitute the numbers into the equation and solve.
\( \lambda = \frac{v}{f}\) \( \lambda = \frac{630 \times 10^6}{3 \times 10^8}\) \( \lambda = 2.1m\) |
References
AQA
- Wavelength, page 183, GCSE Physics, Hodder, AQA
- Wavelength, page 219, GCSE Combined Science; The Revision Guide, CGP, AQA
- Wavelength, page 73, GCSE Physics; The Revision Guide, CGP, AQA
- Wavelength, pages 189, 191, 194, 196, 200, GCSE Combined Science Trilogy; Physics, CGP, AQA
- Wavelength, pages 191-3, 200-1, 213, 237, 288-9, GCSE Physics; Student Book, Collins, AQA
- Wavelength, pages 226, 228, 231, 233, 242, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA
- Wavelength, pages 257, GCSE Combined Science Trilogy 2, Hodder, AQA
- Wavelengths, pages 176, 190-191, 194, 205-206, GCSE Physics; Third Edition, Oxford University Press, AQA
Edexcel
- Wavelength, pages 164-166, GCSE Combined Science; The Revision Guide, CGP, Edexcel
- Wavelength, pages 32, 34, 40, 61, GCSE Physics; The Revision Guide, CGP, Edexcel
- Wavelength, pages 49, 94, GCSE Physics, Pearson Edexcel