Question

7TH QUESTION
LIGHT YEAR IS THE UNIT OF

Answer 1

Answer:

DISTANCE

Explanation:

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 p recisely, one light-year is equal to 9,500,000,000,000 kilometers.

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Answer 2

Answer:

Distance

Explanation:

For very large distances like the distance between the sun and the earth, using units like km and m are very inconvinient. Thus, the unit light year is used for measuring large distance. One light year is the distance travelled by light in one year in vaccuum.