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How much longer is a per sec from a ligh...

How much longer is a per sec from a light year?

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The correct Answer is:
3.26 times
`1par sec = 3.1 xx10^(16)m, and `
`1ly = 9.46xx10^(15)m`
`:. (1par sec)/(1ly) =(3.1xx10^(16)m)/(9.46xx10^(15)m) = 3.26`
Hence 1 par sec = 3.26 ly
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