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 is the illuminance, An overhead light fixture holds three light bulbs....

An overhead light fixture holds three light bulbs. Every light bulb has a luminous flux of 1892 lm. The light fixture is 1.8 m above the floor. What is the illuminance o

Ac output resistance in common base configuration, AC  Output  Resistance  ...

AC  Output  Resistance  in  Common  Base  Configuration Ratio  of  change  in collector-base  voltage  ( ? V CB )  to  resulting  change  in  collector  current  ( ? I C )  at

Define normal force (fnorm), What is Normal Force?? Force exerted upon...

What is Normal Force?? Force exerted upon an object that is in get in touch with another stable object. If a book is resting upon a surface, then the surface is exerting an up

Explain electric motor, Electric Motor: A device, which converts electr...

Electric Motor: A device, which converts electric energy into mechanical energy is known as Electric Motor. Factors on which the speed of Rotation of Motor Depends: The

What action reaction pair is responsible for pushing a car, Q. What action ...

Q. What action reaction pair is responsible for pushing a car forward? Ans. The wheels push back on the ground using friction while the ground then pushes forward on the

Kirchhoffs rules, Kirchhoff's rules (G.R. Kirchhoff): loop rule ...

Kirchhoff's rules (G.R. Kirchhoff): loop rule The total of the potential differences encountered in a round trip about any closed loop in a circuit is zero. point

Explain quasi-static isothermal expansion, Explain quasi-static isothermal ...

Explain quasi-static isothermal expansion A method is reversible only if it is quasi-static and non dissipative.   E.g. A quasi-static isothermal expansion of an ideal gas

Iluustrate huygens principle, State Huygens' Principle. With the help of a ...

State Huygens' Principle. With the help of a suitable diagram, prove Snell's law of refraction using Huygens' Principle.

Illustrates principle of transmission electron microscope, Illustrates the ...

Illustrates the principle of transmission electron microscope? Principle of Transmission Electron Microscope The electron microscopes are worked onto the basis of, while a b

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