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  4. Which of the following curve is correct for blackbody radiation? (Given: T1 < T2 < T3 < T4 )

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Q. Which of the following curve is correct for blackbody radiation?
(Given: $T_{1} < \, T_{2} < \, T_{3} < \, T_{4}$ )

NTA AbhyasNTA Abhyas 2022

Solution:

The spectral distribution of the thermal energy radiated by a blackbody (i.e. the pattern of the intensity of the radiation over a range of wavelengths or frequencies) depends only on its temperature. As the temperature increases wavelength of peak emission decreases.
And the graph follows as:
Solution