A person sees clearly wearing eyeglasses that have a power of -3.00 diopters when the lenses...
A person sees clearly wearing eyeglasses that have a power of -3.00 diopters when the lenses are 1.80 cm in front of the eyes. (a) What is the focal length of the lens? cm (b) is the person nearsighted or farsighted? O nearsighted farsighted (C) If the person wants to switch to contact lenses placed directly on the eyes, what lens power should be prescribed? diopters Need Help? Read it
A physicist can see distant things clearly when wearing -2.00-diopter eyeglasses. Each lens rests 1.55 cm in front of the eye. (a) What focal length (in cm) describes the lenses? (b) Determine the far point (in cm) for this physicist's eyes. (c) is the physicist nearsighted or farsighted? nearsighted farsighted (d) The physicist decides to replace eyeglasses with contact lenses, one of which rests directly on each eye. What would the contact lens power be (in diopters) in order to...
Bailey has a eyeglasses with a prescription of -4.00D. While wearing these glasses so that the lenses sit 2.00 cm in front of the eyes, Bailey can see distant object clearly with fully relaxed eyes. Part a What is the far point for Bailey's uncorrected vision? Please enter a numerical answer below Accepted formats are numbers or 'e based scientific notation e.g.0.23,-2 1e6, 5.23e-8 Enter answer here cm 0 of 10 attempts used CHECK ANSWER Part b If Bailey wants...
A farsighted man uses eyeglasses with a refractive power of 2.25 diopters. Wearing the glasses 0.030 m from his eyes, he is able to read books held no closer than 0.295 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters? 9. A farsighted man uses eyeglasses with a refractive power of 2.25 diopters. Wearing the glasses 0.030 m from his eyes, he is...
A farsighted man uses contact lenses with a refractive power of 2.20 diopters. Wearing the contacts, he is able to read books held no closer than 0.285 m from his eyes. He would like a prescription for eyeglasses to serve the same purpose. What is the correct prescription for the eyeglasses if the distance from the eyeglasses to his eyes is 0.030 m? in dipoters ??? not 1.67 A diverging lens (f1 = −13.5 cm) is located 23.0 cm to...
A farsighted man uses eyeglasses with a refractive power of 2.25 diopters. Wearing the glasses 0.030 m from his eyes, he is able to read books held no closer than 0.305 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters?
A farsighted man uses eyeglasses with a refractive power of 3.09 diopters. Wearing the glasses 0.026 m from his eyes, he is able to read books held no closer than 0.270 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters?
A farsighted man uses eyeglasses with a refractive power of 1.85 diopters. Wearing the glasses 0.020 m from his eyes, he is able to read books held no closer than 0.275 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters?
A farsighted man uses eyeglasses with a refractive power of 1.80 diopters. Wearing the glasses 0.025 m from his eyes, he is able to read books held no closer than 0.305 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters? 1.51 and 1.46 was wrong
A nearsighted man uses his ideally prescribed eyeglasses that have a refractive power of −3.30 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 2.00 cm from his eyes?