Explanation:
Wien’s Law:
The law states that the wavelength at which black body emits maximum heat is inversely proportional to the temperature of the body in Kelvins.
1) Walls at 300 K
2) Ice water at 273 K :
3) Hot water at 373 K :
4)Skin at 310 K:
5)An incandescent light bulb at 3000 K
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