Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Astronomy & UniverseSpace Facts
What physical quantity is measured in light years?
- A.Time
- B.LengthCorrect answer
- C.Speed
- D.Luminosity
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Practice these MCQs in the appQuick fact: A light year is a unit of length — it measures the distance that light travels in one year.