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ICSE Class 9 Answered

It takes 8 minutes fro light to reach from the sun to the earth surface .if a speed of light is taken to be 3×100000000 m /s find the distance from the sun to the earth in km.

Asked by Sandeepdob16112005 | 22 Mar, 2020, 08:56: AM
Expert Answer
Distance between the sun and the earth
=time taken by light to reach earth × speed of light 
= 8 min × 3 × 108 m/ s 
= 8 × 60 s × 3 × 108 
= 1.44 × 1011 m
=1.44 ×108 km
Answered by Shiwani Sawant | 22 Mar, 2020, 11:21: AM

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