Question

When an object is located very far away from a convex mirror, the image of the object is 25 cm behind the mirror. Determine where the image is located when the object is placed 9.9 cm in front of the mirror.

Answer 1

Given that an object is located very far away from a convex mirror, the image of the object is 25 cm behind the mirror.

So object is placed at infinity and image is formed at focal point

Focal length is negative for convex mirrors.

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Given that object is placed at 9.9cm in front of the mirror

so object distance,

Use formula to find the image distance.

ANSWER:

Image distance is negative , so virtual image.

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