Physics · Units and Measurements
With reference to a "Light-year", which of the following statements is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is the unit of length used to measure the wavelength of light.
- 2It is the unit of length used to measure nuclear distances.
- 3It is the unit of length for measuring astronomical distances.✓
- 4It is the mean distance between the Sun and the Earth.
Correct answer
It is the unit of length for measuring astronomical distances.
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