AIIMS2012Physics-Optics
AIIMS 2012 Physics Telescopes Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 12
Assertion: The focal length of objective lens in telescope is much more than that of eye piece. Reason: Telescope has high resolving power due to large focal length.
A
Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C
Assertion is true but Reason is false.
D
Both Assertion and Reason are false.
Correct Answer
Option B
Detailed Explanation
In telescope to have a large magnifying power, focal length of objective lens is kept large. To increase the magnifying power and resolving power, aperture of the objective lens is made large.
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