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The temperature of sun is 5500 K and it emits maximum intensity radiation in the yellow region`(5.5 xx10^(-7)m)`. The maximum radiation from a furnace occurs at wavelength `11 xx 10^(-7)m` The temperature of furnace isA. 1125 KB. 2750 KC. 5500 KD. 11000 K |
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Answer» Correct Answer - B `lambdam_1 T =lambdam_2 T_2 rArr 5.5 xx 10^(-7) xx 5500 = 11 xx 10^(-7)` T T = 550 × 5 K = 2750 K |
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