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

Oscillatioms, Oscillation of mercury coloumn in a U-tube

Oscillation of mercury coloumn in a U-tube

Electronics, workind and defination and symbol of zener diode

workind and defination and symbol of zener diode

Periodic motion, why phase is defined only for periodic motion ?

why phase is defined only for periodic motion ?

Why the rain dropes are spherical in shape? , This is due to the surface te...

This is due to the surface tension of water. Because of the surface tension , the drop tends to have minimum possible surface area, and the shape which is possible with  minimum su

Thermal energy, the sun warming the earth is an example of?

the sun warming the earth is an example of?

Inertial and non inertial frame of refrence, What is inertial and non inert...

What is inertial and non inertial feame if refrence of reference?

Define the characteristics of heterojunction laser, Define the characterist...

Define the characteristics of Heterojunction laser. Heterojunction laser: The threshold current density for homojunction lasers is extremely large because of poor optical an

Inertial frame of reference , how to make an affective assignment on inerti...

how to make an affective assignment on inertial frame of reference and using it the explanation of relative motion? to be noted i am a university student.

Electrical materials, Electrical materials: Materials which allow an el...

Electrical materials: Materials which allow an electric current to flow easily are known as conductors and those which prevent the flow of an appreciable current are known as i

Illustrate double-beam oscilloscope, For the double-beam oscilloscope displ...

For the double-beam oscilloscope displays shown in Figure, determine (a) their frequency (b) their r.m.s. values (c) their phase difference. The 'time/cm' switch is on 10

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