How much time does it take for light to cover the distance between the sun and the earth?

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8 minutes 20 seconds

8 minutes 30 seconds

80 minutes 20 seconds

1 minute 28 seconds

answer is A.

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Detailed Solution

It takes

8 minutes 20 seconds

for light to cover the distance between the sun and the earth.
The speed of light is

300, 000 km / s

approximately and the distance between the earth and the sun is

150, 000, 000 km

,
According to the formula

Time = \frac{Distance}{Speed}

We get

\frac{150, 000, 000}{300, 000} = 8.20

We get approximately

8 minutes and 20 seconds

. The sun is the star that is closest to the earth. It is a luminous body that generates light by producing heat and energy through the process of nuclear fusion.

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