5.

5 points cm An object is placed in front of a concave mirror with a 16.8 cm radius of curvature. A real image twice the size ofthe object is formed. At what distance is the object from the mirror? Enter a positive answer, if the image is in front of the mirror and enter a negative answer, if the image is behind the mirror. Skipped 12 1 D points The uncorrected far point of Colin's eye is 2.30 m. What refractive power contact lens enables him to clearly distinguish objects at large distances