Given below are two statements :
Statement I: Astronomical unit (Au), Parsec (Pc) and Light year (ly) are units for measuring astronomical distances.
Statement II: Au < Parsec (Pc) < ly
In the light of the above statements, choose the most appropriate answer from the options given below:
Text Solution
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Astronomical unit denotes roughly the distance from Earth to the Sun. Parsec is a unit of length used to measure the large distances to astronomical objects outside the Solar System. A light-year is another large unit of length used to express astronomical distances.
The relation between these units are as follows:
1 Parsec = 2 x 10 5 Au
lAu = 1.58 x10 -5 ly
Thus, lAu < ly < Parsec.
Hence, Statements I is true but Statements II is false.
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