An individual is nearsighted; his near point is 14.0 cm and his far point is 57.0 cm. (a) What lens power is needed to correct his nearsightedness? diopters (b) When the lenses are in use, what is this person's near point? cm
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An individual is nearsighted; his near point is 14.0 cm and his far point is 57.0 cm.
diopters
(b) When the lenses are in use, what is this person's near point?
cm
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- (a) What is the power and the focal length of the eye when viewing an object 50.0 cm away? (b) Calculate the power and the focal length of the eye when viewing an object 3.00 m away.8. A nearsighted man uses his ideally prescribed eyeglasses that have a refractive power of -2.50 diopters. He would like a prescription for contact lenses. What is the correct contact lens prescription if he normally wears his eyeglasses a distance of 3.0 cm from his eyes? diopters oofWhat is the power ? of the eye when viewing an object 41.0 cm away? Assume the lens-to-retina distance is 2.00 cm , and express the answer in diopters. Power???
- (a) If your relaxed eye has a refractive power of 55.1 D, and your lens-to-retina distance is 2.35 cm, determine if you are near or far sighted.nearsightedfarsighted (b) If you are nearsighted, determine your far point. If you are farsighted, determine your near point.cmAn individual is nearsighted; his near point is 17.0 cm and his far point is 49.0 cm. (a) What lens power is needed to correct his nearsightedness? diopters(b) When the lenses are in use, what is this person's near point?Needs Complete solution with 100 % accuracy don't use chat gpt or ai plz plz plz plz plz send.
- An individual is nearsighted; his near point is 15.0 cm and his far point is 47.0 cm. (a) What lens power is needed to correct his nearsightedness? -2.13 diopters (b) When the lenses are in use, what is this person's near point? -0.469 x cmProblem 12: A student wears eyeglasses of power P = -3.75 diopter to correct nearsightedness. The glasses are designed to be worn d = 1.3 cm in front of the eye. Part (a) Input an expression for the far point the student can see without correction, do. Part (b) Numerically, what is the distance in meters?(a) Where does an object need to be placed relative to a microscope for its 0.500-cm focal length objective to produce a magnification of -10? (Give your answer to at .least.three..decimal places.) 0.556 "How are the object and image distances related to the magnification and focal length of a lens? cm (from the objective lens) (b) Where should the 5.00-cm focal length eyepiece be placed to produce a further fourfold (4.00) magnification? cm (behind the objective lens) Additional Materials Reading