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EAMCET Engineering 2003 Solved Paper

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Question : 3

Total: 160

The radiation emitted by a star A is 10000 times that of the sun. If the surface temperatures of the sun and the star A are 6000K and 2000K respectively, the ratio of the radii of the star A and the sun is :

300:1
600:1
900:1
1200:1

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