Calculate the value of \(\lambda_{max}\) for solar radiation assuming the temperature on the surface of the sun is 5800 K. [Wien’s constant \(=2.897\times10^{-3}\) m.k.]

Q.11 Calculate the value of \(\lambda_{max}\) for solar radiation assuming the temperature on the surface of the sun is 5800 K. [Wien’s constant \(=2.897\times10^{-3}\) m.k.]

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Answer: \(\lambda_{max}\approx4.995\times10^{-7}\) m \(\approx4995\) Å

Wien’s displacement law: \(\lambda_{max}T=b\).

\(\lambda_{max}=\dfrac{b}{T}=\dfrac{2.897\times10^{-3}}{5800}=4.995\times10^{-7}\) m \(\approx 4995\) Å (about 5000 Å, in the visible region).

Doubtly AI · 28 Oct 2026 AI-verified · Oct 2026 Report

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Calculate the value of \(\lambda_{max}\) for solar radiation assuming the temperature on the surface of the sun is 5800 K. [Wien’s constant \(=2.897\times10^{-3}\) m.k.]

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