TNPSC Group 4 General Knowledge 2018 Paper

© examsiri.com
Question : 47 of 100
 
Marks: +1, -0
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.
Go to Question: