Wien's law and Rayleigh - Jeans law from Planck's law

Wien's law and Rayleigh - Jeans law can be derived from Planck's law.Planck's law reduces to Wien's law for short wavelengths and Planck's law reduces...

Wien's law and Rayleigh - Jeans law can be derived from Planck's law.Planck's law reduces to Wien's law for short wavelengths and Planck's law reduces to Rayleigh - Jeans law for long wavelengths.