SOLVED: d. The speed of light at about 1.86x105 milsec= Define a light year: 5 b. Length of a light year in miles (scientific notation) Length of a light year in km (
What is a light-year and how is it used??
72.The following is not yhe unit of length a)parsec b)light year c)angstrom d)nano Thanks,
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units of length
Light year is the unit of following physical quantity
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Light Year
