What type of lens is needed to permit the eye to see

Assignment Help Physics

Reference no: EM13976948

A presbyopic (farsighted) eye has a near point of 100 cm away. What type of lens is needed to permit the eye to see clearly objects 25 cm away, and what focal length should such a lens have An object is placed 3 cm from a lens. The image is found to lie 12 cm from the lens, on the same side as the object What is the focal length f of the lens, and is the image upright or inverted?

Reference no: EM13976948

Questions Cloud

Described the educational setting. : •Describe the educational setting: staff development, patient education, family education, and so forth.

Secondary sources that help to develop a thesis : Identifies at least four primary sources (i.e., letters, diaries, publications) fromVoices of Freedomthat relate to this issue. You may use other sources if needed but make an effort to use this source. Consults two valid secondary sources that help ..

What is the potential difference across the plates : What is the potential difference across the plates of the 6.0 uF capacitor? What is the charge on the 3.0 uF capacitor? What is the charge on 4.0 uF capacitor?

How researchers go about selecting a sampling strategy : Discuss the advantages and disadvantages of at least 2 different sampling methods. Describe how researchers go about selecting a sampling strategy. What role does the research question play in choosing the sample? What does it mean to have a repre..

What type of lens is needed to permit the eye to see : A presbyopic (farsighted) eye has a near point of 100 cm away. What type of lens is needed to permit the eye to see clearly objects 25 cm away, and what focal length should such a lens have An object is placed 3 cm from a lens.

Why the institutional review board citi training important : Why are the Institutional Review Board (IRB) and CITI training important? How do these components connect to the APA Ethics Code and the protection of human subjects of research

What is the incremental cost of funds on asset : Suppose you have three indivisible assets, A, B and C with internal rates of return 2%, 5% and 10% respectively and initial costs of $1, $4, $5. Suppose you have $8.0 at 1% and can borrow at 9%. What is the incremental cost of funds on asset B?

What is in cm the radius of curvature of the cornea : To fit a patient for contact lenses, an optometrist places an object of 1.30cm height 4.0cm from the patient's cornea. This results in an upright reflected image that is 0.130cm high. What is the magnification?

What are the ties between the brain and memory : My topic for this research paper is memory. what are the ties between the brain and memory? What do Dr. Loretta Loftus' studies suggest about memory

User Account

All Pages