Assertion :By increasing the diameter of the objective of telescope, we can increase its range. Reason: The range of a telescope tells us how far away a star of some standard brightness can be spotted by telescope

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 B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
By increasing the diameter of objective lens of telescope we can increase its range because of increase in lens aperture, the area covered by the lens also increases. That is, the lens is able to focus on a large area.
Both statement are true and reason is not correct explanation .

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