Test Academy | The distance of a galaxy is of the order of 1025 m. Calculate the order of magnitude of time taken by light to reach us from the galaxy. 3 × 10¹⁶ s, 3 × 10²⁶ s, 3 × 10¹⁵ s, 3 × 10¹⁰ s

Question

The distance of a galaxy is of the order of 1025 m. Calculate the order of magnitude of time taken by light to reach us from the galaxy.

Options :

3 × 10¹⁶ s
3 × 10²⁶ s
3 × 10¹⁵ s
3 × 10¹⁰ s

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