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Stars and the Solar System — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceStars and the Solar System1 Mark
MCQ
Which of the following physical quantities has light year as its unit?
  • A
    Time
  • B
    Intensity of light
  • C
    Illumination
  • ✓
    Distance
✓

Answer

Correct option: D.
Distance
One light year is the distance travelled by light in one year, i.e. $9.46 \times 10^{12}\ km.$

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