Assertion :If objective and eye lenses of a microscope are interchanged then it can work as telescope. Reason: The objective lens of telescope has small focal length.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
Interchanging objective and eyepiece of a telescope will most likely render it useless for any application because of the relative positioning and the function specified for each lens. Objective of telescope is required to capture maximum light from space and hence has large focal length. So, both the statements are incorrect.

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