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

What are paramagnetic substances, a) Spin motion of electrons b) On the ...

a) Spin motion of electrons b) On the basis of spin and orbital motion of electrons c) These are feebly attracted in an external magnetic field i.e., have a tendency to go fr

Subtracting 2 vectors, Subtracting 2 Vectors This is where things obtai...

Subtracting 2 Vectors This is where things obtain a bit more interesting. What we required to note here is in which in Physics a negative sign simply means "in the opposite dir

What is deforming force, If a force applied on a body causes a alteration i...

If a force applied on a body causes a alteration in the normal positions of the molecules of the body, resulting in a alteration in the configuration of the object either in length

Fields of force, #questiwhy test charge kept unit ad positive ?on..

#questiwhy test charge kept unit ad positive ?on..

The mass of a mol of proton and electron, The mass of a mol of proton and e...

The mass of a mol of proton and electron is: (1) 6.023x 10 23 g (2) 1.008g and 0.55mg (3) 9.1x 10 -28 kg         (4) 2gm Ans: (2) 1.008g  and 0.55mg

Friction, why is friction necessary

why is friction necessary

Wave, application of huygen''principle

application of huygen''principle

How do you magnetize metal, How do you magnetize metal? You can rub a m...

How do you magnetize metal? You can rub a magnet with the metal in single direction for a bunch of times (the more the better), and that will magnetize it to some degree, but i

Electromagnetic induction, The structure of a simple d.c. motor and explain...

The structure of a simple d.c. motor and explain briefly how it works

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