KnowraWien approximationLinked fromLinked fromThe 7 pages that link to Wien approximation, each with the reason it gives.All 7Broader topic 2Compared with 5Planck's lawBroader topic: It simplifies Planck's law in the high-frequency, low-occupation regime.Wilhelm WienBroader topic: Wien proposed this formula before Planck derived a distribution valid across the full spectrum.