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JEE Main Physics Class 11 Physical world and Measurements Part 2 Questions
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Question : 25
Total: 100
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 :
[11-Apr-2023 shift 1]
Both Statements I and Statements II are incorrect.
Both Statements I and Statements II are correct.
Statements I is incorrect but Statements II are correct.
Statements I is correct but Statements II are incorrect.
Validate
Solution:
A.V., Par sec and light year are the unit of distance
Light year
→
distance travelled by light in one year
1
ly
=
9.5
×
10
15
m
parcec
=
3.262
light year
A.V.
=
1.58
×
10
−
5
light year
A. V.
<
1
y
<
Parsec.
Statement I correct and statement II incorrect.
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