Multiple choice

The distance of stars is measured in terms of Light year. What will be the length of 1 light year when converted into metre?

  1. 1.496 x 1011 m

  2. 9.46 x 1015 m

  3. 3 x 108 m

  4. 3.08 x 1016 m
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Light Year is defined as the distance travelled by light in a year. 1 light year = 365 X 24 X 60 X 60 X 3 X 108                        = 9.46 x 1015 m

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