Correct Answer is : the distance travelled by light in free space in one year.

light emitted by sun in one year.

time taken by light to travel from Sun to Earth.

the distance travelled by light in free space in one year.

time taken by earth to go once around the Sun.

WBPSC 2019 Solved Paper

Question : 135 of 200

Marks: +1, -0

Light year is

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