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

Explain destructive interference, Does destructive interference violate the...

Does destructive interference violate the principle of conservation of energy? Briefly explain.

Vectors, if A=[30.1, 21.4 degrees] and B= [25, 40 degrees] what is the magn...

if A=[30.1, 21.4 degrees] and B= [25, 40 degrees] what is the magnitude of the sum of these two vectors

Michelson inferometre experiment, Why the fringes are in circular form and ...

Why the fringes are in circular form and how does it form?

Doppler Effect, Draw a picture of a moving source and the waves surrounding...

Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wave-fronts in front of the source com

radioactive substance, A certain radioactive substance has a half-life of ...

A certain radioactive substance has a half-life of 40 minutes. How much of an original 100 grams substance will remain after 2 hours? solution) m= m0/2t/T m=100 gms.. t=2 hours

Explain crohn disease, Explain Crohn disease Crohn's disease:  a chro...

Explain Crohn disease Crohn's disease:  a chronic, recurrent disease characterized by patchy inflammation of any portion of digestive tract from  the mouth to anus.

Superconductivity, Superconductivity The phenomena from which, at suff...

Superconductivity The phenomena from which, at sufficiently low temperatures, a conductor can conduct charge along with zero resistance. The current theory for describing supe

Determine the change in entropy, Determine the change in entropy, in joules...

Determine the change in entropy, in joules, when 5 moles of an ideal gas expands from a value of 4 lits. to 40 lits. at 27°C. (R = 8.314 JK -1 mol -1 )

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