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The time taken by light to reach the earth from the sun is
(A) 8 hr. 20 sec.
(B) 8 min. 20 sec.
(C) 8 sec.
(D) 20 sec.
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Answer / anil satish
Distance from Sun to Earth is:
93,000,000 miles= 148,800,000 kilometers
Speed of Light is
300,000,000 meters per sec=300,000 kilometers per sec
the time= 148,800,000 / 300.000= 496 seconds
496 seconds= 8,26 minutes
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