Question

The distance travelled by light in one year is called

A

Light Year

B

Light Distance

C

Both (a) and (b)

D

None of these

Easy

Solution

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Correct option is A)

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.

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