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Question
Assertion: An astronomical telescope has an objective lens having large focal length.
Reason: Magnifying power of an astronomical telescope varies directly with focal length of the objective lens.
Options
Both Assertion and Reason are true and Reason is the correct explanation for Assertion.
Both Assertion and Reason are true but Reason is not the correct explanation for Assertion.
Assertion is false and Reason is true.
Both Assertion and Reason are false.
Solution
Both Assertion and Reason are true and Reason is the correct explanation for Assertion.
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