Mathematics · Units and Measurements
Consider the following statements regarding units and measurements: 1. The light-year is a unit of time used in astrophysics to measure stellar lifetimes. 2. The parsec is larger than a light-year and is defined based on the parallax of one arc second. 3. One astronomical unit (AU) is the average distance between the Earth and the Moon. 4. The SI unit of luminous intensity is the candela. Which of the above statements are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 and 4 only✓
- 2All of the above
- 32, 3, and 4 only
- 41 and 3 only
Correct answer
2 and 4 only
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