Defects of vision and their correction, Physics

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

Posted Date: 10/1/2012 9:00:10 AM | Location : United States







Related Discussions:- Defects of vision and their correction, Assignment Help, Ask Question on Defects of vision and their correction, Get Answer, Expert's Help, Defects of vision and their correction Discussions

Write discussion on Defects of vision and their correction
Your posts are moderated
Related Questions
Phase advancers: Phase advancers are used to better the power factor of induction motors. The low power factor of an induction motor is because of the fact that its stator winding

Constant Negative Velocity Observe in which the object below moves along with a constant velocity within the negative direction. The dot diagram displays in which each consecut

How can you differentiate between circularly polarised light and unpolarized light?

Q. What is the charge of each of the particles? The e is a unit of charge and it isn't an SI unit of charge but it is a valid unit of charge. In expressions of this unit of cha

Your company's cost of capital is 12%. You are currently evaluating three projects that have the following cash flow streams: a.  Find the payback period, discounted paybac

IONIC BOND Ionic bonding involves the transfer of electrons from an electropositive atom (an atom that tends to "donate" an electron) to an electronegative atom (an atom that t

What will be effect on Newton's rings if: (a) A little oil (μ=1.65) is introduced between the lens (μ=1.5) and the glass plate (μ=1.75) (b) A plane mirror is placed instead o


Can an ordinary diode be used as a zener diode? Justify your answer. Ans Ordinary diode can't be used as a Zener diode, since ordinary diodes aren't operated  in  the  rever

Sievert; Sv: The derived SI unit of dose equivalent, explained as the absorbed dose of ionizing radiation multiplied through internationally-agreed-upon dimensionless weights,