Physics

A concave makeup mirror is designed so that
a person 25.3 cm in front of it sees an upright
image at a distance of 54.0 cm behind the
mirror.
a) What is the radius of curvature of the
mirror?
Answer in units of cm

  1. 0
asked by Angel
  1. oqihsidjbq9

    posted by Anonymous
  2. do=25.3cm
    di=54.0cm
    find f using following equation:

    1/do + 1/di = 1/f

    f=r/2

    so the radius is 2 times the focal length

    posted by Chanel

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