The print in many books averages 3.50 mm in height

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The print in many books averages 3.50 mm in height

1. The print in many books averages 3.50 mm in height. How high is the image of the print on the retina when the book is held 30.0 cm from the eye?

2. A very myopic person has a far point of 20.0 cm. What power contact lens (when on the eye) will correct the distant vision? Assume the eyeglasses held 1.50 cm from the eyes.

3. A farsighted person has a near point of 50 cm rather than the normal 25 cm. What strength lens should be prescribed to correct this vision problem?

4. Suppose you wanted special glasses designed to wear underwater, without a face mask. Should the glasses use a converging or diverging lens in order for you to be able to focus underwater? Explain.

5. Is the wearer of the glasses in the figure nearsighted or farsighted? How can you tell?

science physics

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The print in many books averages 3.50 mm in height

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