Three stars $A, B, C$ have surface temperatures $T _{A} ,T _{B}, T _{C}$ respectively. Star $A$ appears bluish, star $B$ appears reddish and star $C$ yellowish. Hence,
NEET 2020, Medium
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According to Wien's Law

$\lambda_{m} T=$ constant

$T \propto \frac{1}{\lambda_{ m }}$

as $\lambda_{ B }<\lambda_{\gamma}<\lambda_{R}$

$T _{ A }> T _{ C }> T _{ B }$

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