An object is placed 25 cm from a plane mirror- Now- the object is brought closer then which of the below is most likely to happenA- None of theseB- The size of the image will decreaseC- The focal length of the plane mirror decreasesD- The distance between the mirror and the image decreases

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Properties of Image formed by a Plane Mirror

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Question

An object is placed 25 cm from a plane mirror. Now, the object is brought closer then which of the below is most likely to happen

The focal length of the plane mirror decreases

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The distance between the mirror and the image decreases

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The size of the image will decrease

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None of these

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Solution

The correct option is B The distance between the mirror and the image decreases
The focal length of plane mirror is constant and it does not depend upon the position of the object. As the object is bought closer to the mirror the image also comes closer to the mirror. Plane mirror produces the same size of the image as of object and it too doesn't depend upon object's position.

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