At what peak wavelength does an object at 37°C (98.6°F) radiate? A)94 × 10^-6 m B)9.4 × 10^-6 m C)29 × 10^-6 m D)7.8 × 10^-6 m E)78 × 10^-6 m

Question

Quizplus · Accepted Answer

Using Wien's displacement law, the peak wavelength λ_max = b/T, where b = 2.897 × 10^-3 m·K and T is the temperature in Kelvin. Converting 37°C to Kelvin gives 310 K. Thus, λ_max = 2.897 × 10^-3 m·K / 310 K ≈ 9.4 × 10^-6 m.

At What Peak Wavelength Does an Object at 37°C (98