Question

One light year is the distance travelled by light in one year. If the speed of light is
3,00,000 km/s and light of the Sun takes 8.5 minutes to reach the surface of the Earth,find the distance of the Sun from the Earth.​

Answer 1

The problem is solved as below

Given:

Speed of light = c = 3,00,000

Time = t = 8.5 minutes = 510s

To Find:

Distance of the sun from Earth = d =?

Solution:

As  we know

d = v × t

where v is velocity which is equal to the speed of light so we'll use c instead of v.

d = c × t

Putting the values

d = 3,00,000 × 510

d = 153,000,000m

So according to the given values, the distance of the Sun from the Earth is 153,000,000 meters.

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