An eyeglass lens with a power of + 2.8 D allows a far-sighted person to read a

Question:

An eyeglass lens with a power of + 2.8 D allows a far-sighted person to read a book held at a distance of 25 cm from her eyes. At what distance must she hold the book to read it without glasses?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

College Physics

ISBN: 978-0321601834

7th edition

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

See More Books

Question Posted: Aug 29, 2015 05:54 AM

See More Questions

(a) If a book is held 30 cm from an eyeglass lens with a focal length of 45 cm, where is the image of the print formed? (b) If an eyeglass lens with a focal length of + 57 cm is used, where is the...
(a) Where is the near point of an eye for which a contact lens with a power of + 2.75 diopters is prescribed? (b) Where is the far point of an eye for which a contact lens with a power of -1.30...
An optometrist prescribes a corrective lens with a power of +1.5 D. The lens maker starts with a glass blank that has an index of refraction of 1.6 and a convex front surface whose radius of...
Your geothermal heat pump is used to heat your house in the winter. The heat pump is operated as a vapor-compression cycle. The design is such that there must be a 10 degree temperature difference...
Name the three court case reporters that publish court of appeals decisions. Illustrate the elements of a citation that might be found in each reporter. Explain what each part of the citation means.
3) Assume that two players (Player 1 and Player 2) bargain on how to divide $100 over the course of three periods. Suppose they play the following bargaining game: Period 1: Player 1 proposes s/ to...
If in Figure P29.40 $R=0.25 \mathrm{~m}$ and the magnetic field magnitude is decreasing at a rate of $0.30 \mathrm{~T} / \mathrm{s}$, what is the magnitude of the electric field created by this...
The following information (in $ millions) was taken from recent annual reports of Kellogg Company and General Mills, Inc. Required a. Calculate each company's accounts receivable turnover and average...
* Installing integrated software needs more memory than installing many .standalone applications True O False
What is the difference between computer organization and computer architecture?
A nearsighted man wears eyeglasses whose lenses have a focal length of 0.255. How far away is his far point?
A college professor can see objects clearly only if they are between 70 and 500 cm from her eyes. Her optometrist prescribes bifocals (Fig. 25.23) that enable her to see distant objects through the...
There have been other cartels through history: most notably drug cartels in the 1980s in Colombia and during more recent times in Mexico. They never suffered from cheating. Why?
Consider a corporation that recently issued bonds. Bob, the CEO of the corporation, decided to use the funds a. raised to give big bonuses to the firm's top management instead of building more...
After leaving the college bookstore and having shelled out a few hundred dollars for her semester's textbooks, many of which were used, a business idea dawns on Jenny Bombay. Her idea is to start a...
You have been working as an executive assistant to Ms. Simmons, the CEO of a prominent marketing company in Canada. Recently, Ms. Simmons has decided to do business with a Saudi Arabian firm. You...
All else equal, what would happen to the wages of professional soccer players in the U . S . if the sport were to become more popular here? Question 1 5 options: a ) wages would remain unchanged b )...
A good plan for finding a high paying job is to: Question 1 4 options: a ) look for an industry with low labor supply and high labor demand. b ) look for an industry with high labor supply and low...
Consider a Markov chain on {1,2,3,4,5} with transition matrix a. What are the recurrent and transient classes for this chain? b. Find the limiting matrix for each recurrent class. c. Determine the...
In Exercises 105108, evaluate each expression without using a calculator. log(ln e)
What volume will 1.216 g of SO 2 gas (M = 64.1 kg/kmol) occupy at 18.0 C and 755 mmHg if it acts like an ideal gas?
The pressure of air in a reasonably good vacuum might be 2.0 10 5 mmHg. What mass of air exists in a 250 mL volume at this pressure and 25 C? Take M = 28 kg/kmol for air.
A 5000-cm 3 tank contains an ideal gas (M = 40 kg/kmol) at a gauge pressure of 530 kPa and a temperature of 25 C. Assuming atmospheric pressure to be 100 kPa, what mass of gas is in the tank?
Using a CAD package, draw the necessary views and completely dimension the part shown. Do not base your 2-D dimension placement on the 3-D dimensions shown. Use proper dimensioning techniques to...
Using a CAD package, draw the necessary views and completely dimension the part shown. Do not base your 2-D dimension placement on the 3-D dimensions shown. Use proper dimensioning techniques to...
2. (20 points) The gravitational force between two objects is F = 100N, determine the following: (a) The force between the objects is the distance is twice the original distance. (b) The force...

An eyeglass lens with a power of + 2.8 D allows a far-sighted person to read a

Question:

Step by Step Answer:

The near point is at the ...View the full answer

College Physics

Students also viewed these Light and Optics questions