optical, Physics

Assignment Help:
Ask question #Minimum 4.
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?

5. 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?


Get Answer words accepted#

Related Discussions:- optical

Optics, Describe the formation of Newton''s rings.

Describe the formation of Newton''s rings.

Motion, at a particular instant the speedometer of a vehicle shows 30km/hr ...

at a particular instant the speedometer of a vehicle shows 30km/hr .it is the a}average speed b}instantaneous speed c}uniform speed d}non-uniform speed

Bread board, what is the function and uses of bread board

what is the function and uses of bread board

Experiment of a balance trick, A balance trick Get a smooth metre stick...

A balance trick Get a smooth metre stick and let it rest lightly on your two forefingers. Place your fingers near the ends of the stick and then move them in the direction of t

Uncertainty principle, Uncertainty principle (W. Heisenberg; 1927): A ...

Uncertainty principle (W. Heisenberg; 1927): A principle, central to quantum mechanics, that states two complementary parameters (such as position & momentum, energy & time, o

Parallel forces, .Define like and unlike parallel forces

.Define like and unlike parallel forces

Which of the following are isoelectronic with one another, Which of the fol...

Which of the following are isoelectronic with one another: (1)Na + ans Ne   (2)K + ans O       (3)Ne ans O          (4)Na + ans K + Ans: Na + ans Ne

Inductor construction, An inductor is generally constructed as a coil of co...

An inductor is generally constructed as a coil of conducting material, characteristically copper wire, wrapped around a core either of air or a ferromagnetic material. Core materia

Write Your Message!

Captcha
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