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DedPeter [7]
3 years ago
15

The metal with the highest melting temperature is tungsten which melts at around 3400 K. What is the wavelength of the peak of t

he blackbody distribution for this temperature. Is this visible, infrared or ultraviolet?
Physics
1 answer:
alekssr [168]3 years ago
7 0

Explanation:

It is given that, the metal with the highest melting temperature is tungsten which melts at around 3400 K, T = 3400 K

We need to find the wavelength of the peak of the black body distribution for this temperature. It can be calculated using Wein's displacement law as :

\lambda\times T=k

k is the constant, k=2.89\times 10^{-3}\ m.k

\lambda=\dfrac{k}{T}

\lambda=\dfrac{2.89\times 10^{-3}\ m.k}{3400\ k}

\lambda=8.5\times 10^{-7}\ m

or

\lambda=850\ nm

The wavelength of infrared is from 700 nm to 1 mm. So, the lies in infrared region of the spectrum. Hence, this is the required solution.

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