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प्रश्न
Numerical Problem.
Inian and Ezhilan argue about the light year. Inian tells that it is 9.46 × 1015 m and Ezhilan argues that it is 9.46 × 10 12 km. Who is right? Justify your answer.
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उत्तर
The magnitude of light year = 9.46 × 10<sup>15</sup> m. So Inian gave a correct answer.
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