Defects of vision and their correction, Physics

Assignment Help:

Defects of vision and their correction

There is a simple relationship between the focal length F ,the object distance P and the image distance Q of a thin lens fig(1).

1085_Defects of vision and their correction.png

2124_Defects of vision and their correction 2.png

1089_Defects of vision and their correction 3.png

If F measured in mete ,then 1/F is the lens strength in diopter(D).
-The focal length of a combination of tow lenses with focal length F1,and F2 is given by                        

1/F=1/F1+1/F2


Related Discussions:- Defects of vision and their correction

Physical significance of curl of a vector function, Describe the physical s...

Describe the physical significance of curl of a vector function?

Find the discharge between the two tanks, Water is draining from tank A to ...

Water is draining from tank A to tank B. The elevation difference between the two tanks is 10 m. The pipe connecting the two tanks has a sudden-expansion section as shown. The cros

Action and reaction in pushing forces, Action and reaction in pushing force...

Action and reaction in pushing forces Forces work in pairs. If you push against a wall, the wall pushes with equivalent force back against you. Secure two kitchen spring balanc

Evaluate the total volume and the density of the sample, An ore sample weig...

An ore sample weighs 17.50 N in air. When the sample is suspended by a light cord and totally immersed in water, the tension in the cord is 11.20 N. Find the total volume and the d

Measure the percentage change in its resistance, A cylindrical metallic wir...

A cylindrical metallic wire is stretched to enhance its length by 5%. Measure the percentage change in its resistance.

Magnetic material, If the material is in the crystalline form, how will the...

If the material is in the crystalline form, how will the susceptibility be affected?

Collision, The collision between two bodies be elastic if bodies are?

The collision between two bodies be elastic if bodies are?

Heat transfer, indicate the process of heat exchange that does not depend o...

indicate the process of heat exchange that does not depend on temperature difference between human skin and enviroment a: convection b: evaporation c: radiation d: conduction

Define - drift velocity, Q Define: Drift velocity. Drift velocity is de...

Q Define: Drift velocity. Drift velocity is described as the velocity with which free electrons get drifted towards the positive terminal, when an electric field is applied.

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