The speed of light is 3x108m/sec. If the sun is 1.5 x1011m away from the earth, then how many seconds does light take to reach the Earth
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Answer:
Time taken by light is 5 × 10² sec.
Explanation:
Given, Speed of light = 3 × 10⁸ m/sec
Distance that light need to travel = 1.5 × 10¹¹ m
So, Time taken by light = Distance travel/Speed
Time = 1.5 × 10¹¹/3 × 10⁸
Time = 5 × 10² sec.
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