From a quasar light take about 3 billion year to reach the earth surface calculate the distance of quasar from the earth in light year
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Answer:
29.96 × 10^8 light years
Explanation:
distance = velocity × time
= 3 × 10^8 × 3 × 10^9 × 3.15 × 10^7
(since 1 year = 3.15 ×10^7 seconds)
= 28.35 × 10^24 meters (or)
28.35 × 10^21 kilometers
= 28.35 × 10^21 × 1.057 × 10^-13 (since 1 km = 1.057 × 10^-13 light year)
= 29.96 × 10^8 light years
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