The plots of intensity versus wavelength for three black bodies at temperatures T1,T2 and T3, respectively are as shown. Their temperatures are such that
A
T1>T2>T3
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B
T1>T3>T2
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C
T2>T3>T1
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D
T3>T2>T1
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Solution
The correct option is BT1>T3>T2 According to Wien's law, λT=constant. From the graph λ1<λ3<λ2 ∴T1>T3>T2.