A verse from Rigveda (in Sanskrit) says "Yojanam Sahastra Dwe Dwe Shate Dwe Cha Yojana Aken Nimishardhena Krammana Namostutey" (1, 50-4), which in English stands "I salute Thee (Sunlight), who moves 2206 Yojana in half Nimish".
'Yojana' is well known in India & is equivalent to 4 'Kose', each 'Kose' measuring 8,000 yards or 8000 X 0.9144 metres.
'Nimish' is defined in the Hindu Sacred book, "Srimadbhagwat Gita"(111, 11-3 to 10), where 15 'nimish'es make 1 'kashta', 15 'kashta' make one 'laghu', 30 'laghu's make 1 'muhurta' and 30 'muhurtas' make one 'Diva-Ratri' (Day-Night). Day-Night is 24 hours. Hence a simple calculation converts the speed of sunlight as 3.00 X 10^8 m/s which is the speed of light in S.I.unit, correct upto two significant digits
Since Rigveda is one of the earliest of Vedic literatures that dates back to 1500-500 B.C., determination of speed of light with such accuracy is amazing and incredible, isn't it ?
2007-05-15
04:27:52
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17 answers
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asked by
saudipta c
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