Problem 26.49: Resolution of the eye, I. Even if the lenses of our eyes functioned perfectly,...

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Physics

Problem 26.49: Resolution of the eye, I.

Even if the lenses of our eyes functioned perfectly, our visionwould still be limited due to diffraction of light at thepupil.

Part A

Using Rayleigh's criterion, what is the smallest object a personcan see clearly at his near point of 22.5 cm with a pupil 2.25 mmin diameter and light of wavelength 498 nm ? (To get a reasonableestimate without having to go through complicated calculations,we'll ignore the effect of the fluid in the eye.)

Part B

Based upon your answer, does it seem that diffraction plays asignificant role in limiting our visual acuity?

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3.8 Ratings (420 Votes)
Part AUsing Rayleighs criterion what is the smallest objecta person can see clearly at his near point of 225 cm with a pupil225 mm in diameter and light of wavelength 498 nm To get areasonable    See Answer
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