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An opaque object that emits a thermal radiation spectrum is called a “blackbody”. As the temperature...

An opaque object that emits a thermal radiation spectrum is called a “blackbody”. As the temperature of a blackbody increases, what happens to the peak wavelength of the light it radiates?

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Answer #1

Wien's displacement law states that the black body radiation curve for different temperatures

peaks at a wavelength inversely proportional to the temperature

that means

lambda max = b/T

here b is Wien's displacement constant, equal to 2.8977729(17)×10−3 m K

So if temprature increases wavelength decreases

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