Question 35

The plots of energy density, that is energy per unit area, against wavelength for blackbody radiation at various temperatures are given below. The correct option among the following is:

image

(i) $$T_1 > T_2 > T_3 > T_4 > T_5$$  

(ii) As temperature increases, the wavelength at which the intensity is maximum shifts towards the higher energy regions of the electromagnetic spectrum 

(iii) Radiations of all wavelengths are emitted, absorbed, reflected, and refracted by the black body 

(iv) The total energy density increases as the temperature is decreased. 

The correct option among the following is

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