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

Torque and equilibrium, What is the effect of torque and equilibrium on tap...

What is the effect of torque and equilibrium on taps,doors,handlebars and bicycles?

Is it probable for an electron to be moving northward, Is it probable for a...

Is it probable for an electron to be moving northward in a northward-directed electric field? Answer: The force exerted on a negatively charged particle with an electric f

Ferrits, Detail information about ferrits also current research on ferrits

Detail information about ferrits also current research on ferrits

ULTRA SONICS, WHAT IS THE FREQUENCY OF ULTRA SONICS

WHAT IS THE FREQUENCY OF ULTRA SONICS

Experiment of simple ''spring'' balance, Simple 'spring' balance Punch ...

Simple 'spring' balance Punch four holes in an old tin lid with a nail, spacing them partially round the circumference. Pass pieces of string by these holes and tie them togeth

State the importance of emission and absorption spectra, State the importan...

State the importance of emission and absorption spectra. Derive the mathematical expression for refractive index of material of the prism.

Electric field intensity, If small test charge is taken as positive than w...

If small test charge is taken as positive than why measured value of electric intensity be somewhat less than the actual value of elctric intensity and vica versa

Scattering, derive an expression for the total cross section for the scatte...

derive an expression for the total cross section for the scattering of light by a polorisable molecule in term of the incedent wave length.

Illustrate what is a thermal transformation, Q. Illustrate what is a therma...

Q. Illustrate what is a thermal transformation? Answer:- Chemical or else physical changes are not requiring a change in the temperature of the substance as in the formati

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