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We see the sun rising $8\frac{1}{4}$ minutes after it has already risen. Why?
The Sun is at a far distance from earth.
It is around 1490 lakh kilometers away
Light travels with a speed of 3 lakh kilometers per second.
So time taken for light to reach earth is $\frac{1490 \ lakh \ kilometers }{3 \ lakh \ kilometers \ per \ second}$
= approximately 497 seconds.
Which is nearly $8\frac{1}{4}$ minutes
So, wee see the sun rising $8\frac{1}{4}$ minutes after it has already risen
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