2. The Rayleigh-Jeans distribution function is I(A.T)=2xckT 24 where kB is the Boltzmann constant. (i) Sketch the two distribution functions to show the approximation to Planck's formula for long wavelength. (ii) Explain why it is expected that the classical result is much better at long wavelength?
2. The Rayleigh-Jeans distribution function is I(A.T)=2xckT 24 where kB is the Boltzmann constant. (i) Sketch the two distribution functions to show the approximation to Planck's formula for long wavelength. (ii) Explain why it is expected that the classical result is much better at long wavelength?
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Transcribed Image Text:2. The Rayleigh-Jeans distribution function is
I(A.T)=2xckT
24
where kB is the Boltzmann constant.
(i) Sketch the two distribution functions to show the approximation to
Planck's formula for long wavelength.
(ii) Explain why it is expected that the classical result is much better at long
wavelength?
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