Question

Write the value of one light year and one persec in metres

Answer 1

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HERE IS UR ANSWER

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It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km. More precisely, one light-year is equal to 9,500,000,000,000 kilometers.

1km=1000m
9,500,000,000,000km=9,500,000,000,000,000m

HOPE IT HELPS U

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Answer 2

1 light year=9.46×10^15m


1parsec=3.26 light year
=3.26×9.46×10^15m
=30.83×10^15m