[(1) only] Which of the following statements is/are wrong?(1)Light year is a unit of time(2)Astronomica

For Competitive Exams

Which of the following statements is/are wrong?
(1)Light year is a unit of time
(2)Astronomical unit (AU) is a unit of distance.
(3)Parsec is a unit of mass.

(2) and (3)

(1) and (3)

(3) only

(1) only

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