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A nearsighted person wears contacts with a focal length of$-8.5 \mathrm{cm} .$ If this person's far-point distance with her contacts is$8.5 \mathrm{m},$ what is her uncorrected far-point distance?

8.4 $\mathrm{cm}$

Physics 103

Chapter 27

Optical lnstruments

Wave Optics

Rutgers, The State University of New Jersey

Simon Fraser University

Hope College

University of Sheffield

Lectures

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In physics, wave optics is…

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A person with a near point…

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A person whose near-point …

01:52

A nearsighted patient'…

Find the focal length of c…

02:56

The contacts worn by a far…

06:15

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01:45

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Find the far-point distanc…

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A person's prescripti…

So in this problem we have a near sighted person wearing contacts with a focal land. Let's put in here a focal land off minus eight point five centimeters or meters, etc. It went five centimeters. What else do we have? We know that this person Farpoint it's called the DEA's ear is just 8.5 meters and we want to discover what is the point of this person? We doubt the contact lens. Okay, so what we going to calculate in here? We have to use the feelings a creation to calculate the distance off the image. So this is simply going to be one divided by af miners, one divided by zero. All this to the power of minus one. So this is going to be equal to one divided by minus 0.0 85 minus one divided by eight point five all destructive power of minus one. If we calculated this, we going to find that e I the distance off the image, the absolute value just going to be 8.4. Think team enters so this person cannot see more than eight point forcing team enters away from his size. So this person has have a severe case of Mama Ayo Kia

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