Question

It takes time 8min20sec for light to reach from sun to the earth surface. If speed of light is taken to be 3*10^5km/s. Find the distance of the sun from the earth in SI system.



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Answer 1

Answer:

Using the formula,

Distance = speed × time.

Substituting speed of light =3×10⁸ms −¹

t=8×60+20=500s,

we get

Distance =3×10⁸×500=15×10¹⁰m.

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Answer 2

Answer:

150.01 million km................