1.

A particular star is at a distance of about 8.1×1013 km from the earth.assuming that the light travels at 3×108 m/sec.find how long does light takes from that star to reach the earth.

Answer»

A particular star is at a distance of about 8.1×1013 km from the earth.assuming that the light travels at 3×108 m/sec.find how long does light takes from that star to reach the earth.



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