What is the near point without glasses

Assignment Help Physics
Reference no: EM13827872

Determine the strength of a lens needed to allow a person with a far-sighted eye with a near point of Pnar= 2.0 m (near point means the closest distance for which an object can be imaged on the retina) to read comfortably at 0.25 m?

a) If an emmetrope has an accommodation of 53 D, what is the person's near point?

b) If a former emmetrope wears reading glasses of +2D to read at a distance of 25 cm, what is the near point without glasses?

Reference no: EM13827872

Questions Cloud

Enzymes are specific : Enzymes are specific. Explain.
Depreciation expense for equipment : Snappy Supply Inc. has purchased several expensive machines for the express purpose of manufacturing nano-chip products. Snappy Supply is a January 1 to December 31 calendar year company so please keep this in mind as you proceed through this prob..
Use cellular respiration and fermentation : In what ways do health care workers use cellular respiration and fermentation in their workplace? And how do they use it.
Strategies to be implemented to increase short term : Strategies To Be Implemented To Increase Short Term
What is the near point without glasses : If a former emmetrope wears reading glasses of +2D to read at a distance of 25 cm, what is the near point without glasses?
A firms ethical approach and actions over a range of its : a firm's ethical approach and actions over a range of its operations
Common and preferred stockholders : Saratoga Group wishes to announce a total cash dividend of $6,000,000. How is this dividend to be split between the common and preferred stockholders?
Implement target market selection strategy : Discussing the five major steps in target market selection process. Next, based on the research conducted for the above question, implement target market selection strategy on the Ford Focus (Ambiente Sedan) in Australia and identify the target ma..
Case study south african airlines navigating turbulent skies : Case Study South African Airlines Navigating Turbulent Skies

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd