What Are the Wavelength and the Corresponding Photon Energy (In

Short Answer

What are the wavelength and the corresponding photon energy (in electron-volts) of the primary light emitted by an ideal blackbody at each of the following temperatures? (c = 3.00 × 10⁸ m/s, h = 6.626 × 10^-34 J ∙ s, 1 eV = 1.60 × 10^-19 J, and the constant in Wein's law is 0.00290 m ∙ K)
(a) 400°C?
(b) 800°C?
(c) 1200°C?