The radiation emitted by a star A is 10,...

The radiation emitted by a star A is 10,000 times that of the sun. If the surface temperatures of the sun and the star A are 6000 K and 2000 K 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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NTA NEET SET 43
NTA MOCK TESTS|Exercise PHYSICS|45 Videos
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