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Which of the graphs below gives the correct qualitative behavior of the energy density ET(α) of black body radiation of wavelength λ at two temperature T1 and T2(T1)
- a)
- b)
- c)
- d)
Correct answer is option 'C'. Can you explain this answer?
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Which of the graphs below gives the correct qualitative behavior of th...
The energy density of black body radiation from Kirchhoff law is given as,
Also, from Wiens's displacement law,
Where K is constant, T is temperature and λmax is the maximum wavelength.
∵ λmaxT = constant
So, as the temperature increases wavelength decreases. These qualitative behaviors of the energy density of black body radiation of wavelength is shown in,
Also, from Wiens's displacement law,
Where K is constant, T is temperature and λmax is the maximum wavelength.
∵ λmaxT = constant
So, as the temperature increases wavelength decreases. These qualitative behaviors of the energy density of black body radiation of wavelength is shown in,
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Which of the graphs below gives the correct qualitative behavior of the energy density ET(α)of black body radiation of wavelengthλat two temperature T1and T2(T1)a)b)c)d)Correct answer is option 'C'. Can you explain this answer?
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