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1) A toy car is placed 57.0 cm from a convex mirror. The image of the...

1) A toy car is placed 57.0 cm from a convex mirror. The image of the car is upright and one-fifth as large as the actual car. Calculate the mirror's power in diopters.

2) A lens is formed from a plastic material that has an index of refraction of 1.55. If the radius of curvature of one surface is 1.05 m and the radius of curvature of the other surface is 1.95 m, use the lensmaker's equation to calculate the magnitude of the focal length |f| and the power |P| of the lens.

|f| = ? m

|P| = ? diopter

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