physics

a concave mirror has a focal length of 20 cm. A person places her face 15 cm away from the mirror.
a)how far is the image from the mirror?
b)what would have happened to the person's image if she had placed her face 25 cm away from the mirror?

asked by patty
  1. a)15cm
    b)the image would be 25cm away from the mirror

    posted by jenice

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