Assertion :A dentist uses a concave mirror to examine a small cavity. Reason: A dentist uses a concave mirror which can form a magnified virtual image of an object.

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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Assertion is incorrect, but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Since, the concave mirror forms a virtual, erect but magnified image of the object when the object is placed at a distance smaller than focal length of mirror. So dentists use concave mirror to examine small cavity.

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