Home Physics Units, Dimensions and Measurement Assertion & Reason These questions consist of two statements ea…
Physics Units, Dimensions and Measurement Assertion & Reason MCQ (Single Correct)

These questions consist of two statements each, printed as Assertion and Reason. While

answering these questions, you are required to choose any one of the following four responses.

Assertion: Parallax method can be used for measuring distances of heavenly bodies more than 100 light years away.
Reason: For a distance more than 100 light years, parallax angle is reduced to such an extent that it cannot be measured accurately.

A
Both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
B
Both Assertion and Reason are True but Reason is not a correct explanation of the Assertion.
C
Assertion is True but the Reason is False.
D
Assertion is False but Reason is True.

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Text Solution

Verified by Experts
The correct answer is:
D

Due to parallax error the maximum distance of a star we can measure is limited to 100 light

years. Parallax error increases due to increase in distance of star.

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