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Solution


Q.

Given below are two statements:

Statements I: Astronomical unit (Au), Parsec (Pc) and Light year (ly) are units for measuring astronomical distances.

Statements II: Au < Parsec (Pc) < ly

In the light of the above statements. Choose the most appropriate answer from the options given below:          [2023]
1 Both Statements I and Statements II are correct.  
2 Statements I is correct but Statements II are incorrect.  
3 Both Statements I and Statements II are incorrect.  
4 Statements I is incorrect but Statements II is correct.  

Ans.

(2)

1 AU = 1.496×1011m

1 par sec = 3.08×1016m

1 lyght year = 9.46×1015m

So, Au < ly < Par sec.