Define the formula of wien lawwiens lawlambdam t , Ask an Expert

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Define the formula of Wien law.

WIEN'S LAW:

λ_m T = constant

Here:

λ_m = Peak Wavelength (m)

T = Surface Temperature (K)

Constant = 2.898 x 10^-3mK

It rearranges to λ_m = 2.898 x 10^-3/ T

Above rearranged equation demonstration why the peak wavelength reduces as temperature increases. It decrease into wavelength describes why objects glow first red, after that orange-red, then yellow, after that even blue. Such colours are successive decreases into wavelength.

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