C

Chandrakant • 6.73K Points
Tutor III General Awareness

  • (A) time
  • (B) distance
  • (C) speed of light
  • (D) intensity of light
Correct Answer - Option(B)

Explanation by: Indresh Gehalot
A Light-year is a distance that light travels in the vacuum in one Julian year (365.25 days).

The light-year is a unit of length used to express astronomical distances. It is about 9.5 trillion kilometers or 5.9 trillion miles. 

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