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

Expression for the period of oscillation of a bar magnet, Derive a mathemat...

Derive a mathematical expression for the period of oscillation of a bar magnet in vibration magnetometer. How do you differentiate Dia, Para and Ferromagnetisms in matter.

Why does heated air expand, Why does heated air expand? Temperature is ...

Why does heated air expand? Temperature is often explained as the average thermal energy of the substance at hand. Therefore the hotter a substance is the more thermal energy i

Calculate force and angle , If two forces P & Q act at such an angle that t...

If two forces P & Q act at such an angle that the resultant force r=p. Then show that if P is doubled the new resultant is at right angle Q and it's value is ( 4P 2 -Q 2 ) 1/2

Magnetism, deflection magnetometer

deflection magnetometer

Mechanics, what is reduce mass in two mass system?

what is reduce mass in two mass system?

Magnetism, Magnetism: Everyone has seen and handled a magnet in the f...

Magnetism: Everyone has seen and handled a magnet in the form of a straight or horseshoe-shaped bar of steel or steel-alloy. The magnet was originally a piece of steel befor

Intersections, about beam intersection in gama and alpha beam?

about beam intersection in gama and alpha beam?

An equilateral triangle is inscribed in a circle of radius, An equilateral ...

An equilateral triangle is inscribed in a circle of radius 2 cm if P lies inside the triangle then the minimum sum of distances of P from the sides of the triangle is?   Ans

Can you define solar constant, Q. Can you define Solar Constant? The lu...

Q. Can you define Solar Constant? The luminosity of the Sun L is 3.827×10 26 Watts. When the Sun is straight overhead on a clear day how many watts would we expect to illumina

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