which physical quantity is related to light year and metric tone
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Light-year. The light-year is a unit of length used to express astronomical distancesand measures about 9.5 trillion kilometres or 5.9 trillion miles. As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in vacuum in one Julian year (365.25 days).
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Answer:
Length.
Explanation:
Length is the physical quantity which is related to the unit light year. Light year is an unit which describes the distance travelled by light rays in the time period of a whole year. So,it is obvious that the light year unit is related with the length and length is one of the seven basic physical quantities
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