Physics A-Level
Unit consistency in the Wien constant
What Unit consistency in the Wien constant means in Physics A-Level, as defined for OCR.
Definition of Unit consistency in the Wien constant
Check what you remember
Read the wording for your board, then hide it and explain Unit consistency in the Wien constant in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The constant 2.9 × 10⁻³ has units of metre kelvin, so λmax must be in metres and T in kelvin.
Topics that use Unit consistency in the Wien constant
- Electromagnetic radiation from stars (OCR A-Level)
Related terms
- Black-body modelling of stars
- Continuous spectrum
- Discrete energy levels
- Emission line spectrum
- Energy levels
- Estimation of stellar surface temperature
- Grating spacing
- Line spectra
Using Unit consistency in the Wien constant in the exam
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