1.

Light year =distance travelled by light in year option 1two year 2three year 3one year 4ten year​

Answer»

Answer:

A light-YEAR is a unit of DISTANCE. 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.

Explanation:

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