Manish Pandey (मनीष पाण्डेय)
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Ancient India probably knew the speed of light before modern Science: A Thread Speed of Light: 3×10^8 ms-¹ (round off)Approx Speed: 299792458 minutes/secondWhich is 186000 miles/secondi.e. 300 million meters/second Shloka:तथा
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