Question

The sun light take 8 min 20 sec to reach earth?Express the distance between the sun and earth in unit of light?​

Answer 1

Answer:

15*10in the power of 10m

Explanation:

Using the formula,

Distance = speed × time.

Substituting speed of light =3×10

8

ms

−1

,t=8×60+20=500s, we get

Distance =3×10

8

×500=15×10

10

m.

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Answer 2

Answer:

Using the formula,

Distance = speed × time.

Substituting speed of light =3×10 8ms −1

,t=8×60+20=500s, we get

Distance =3×10 8×500=15×10 10m.