A star is ten light years away from the earth. Suppose it brightensup suddenly today. After how much time shall we see this change?NCERT Class VIIIScience - Exemplar ProblemsChapter 17. Stars and Solar System
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we will be able to see the star's light after ten years because the distance is ten light years and time=s/v=10 × speed of light × 365 × 24 × 3600/speed of light × 365 × 24× 3600
= 10
= 10
Answered by
2
we will be able to see the star's light after ten years because the distance is ten light years and time=s/v=10 × speed of light × 365 × 24 × 3600/speed of light × 365 × 24× 3600
= 10
= 10
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