MHT CET · Physics · Thermal Properties of Matter
Assume that for solar radiation, surface temperature of the sum is \(6000 \mathrm{~K}\). If Wien's constant ' \(\mathrm{b}\) ' is \(2.897 \times 10^{-3} \mathrm{~m}-\mathrm{K}\), the value of maximum wavelength will be
- A \(4828 Å\)
- B \(3648 Å\)
- C \(6400 Å\)
- D \(0.18 Å\)
Answer & Solution
Correct Answer
(A) \(4828 Å\)
Step-by-step Solution
Detailed explanation
\(\mathrm{T}=6000 \mathrm{~K}, \mathrm{~b}=2.897 \times 10^{-3} \mathrm{~m}-\mathrm{K}\)
By Wien's law, \(\lambda \mathrm{T}=\mathrm{b}\)
\(\begin{aligned}
& \lambda=\frac{2.897 \times 10^{-3}}{6000} \\
& =4.828 \times 10^{-7} \mathrm{~m}=4828 Å
\end{aligned}\)
By Wien's law, \(\lambda \mathrm{T}=\mathrm{b}\)
\(\begin{aligned}
& \lambda=\frac{2.897 \times 10^{-3}}{6000} \\
& =4.828 \times 10^{-7} \mathrm{~m}=4828 Å
\end{aligned}\)
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