Question: A certain man has a far point of 150 cm. (a) What power must contact lenses have to allow him to see distant objects clearly?

A certain man has a far point of 150 cm.
(a) What power must contact lenses have to allow him to see distant objects clearly?
(b) If he is able to read a newspaper at 25 cm while wearing his contacts, is his near point less than 25 cm? If so, what is it?
(c) Give an approximation of the man’s age, based on the normal rate of recession of the near point.

Step by Step Solution

★★★★★

3.37 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a The lens is to form an image of an object at infi... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

530-P-L-O-I (239).docx

120 KBs Word File

Students Have Also Explored These Related Light and Optics Questions!

A certain childs near point is 10.0 cm; her far point (with eyes relaxed) is 125 cm. Each eye lens is 2.00 cm from the retina. (a) Between what limits, measured in diopters, does the power of this...

As a prank, someone drops a water-filled balloon out of a window. The balloon is released from rest at a height of 10.0 m above the ears of a man who is the target. Then, because of a guilty...

A certain light-emitting diode (LED) is centered at the origin with its surface in the xy plane. At far distances, the LED appears as a point, but the glowing surface geometry produces a far-field...

34.b please circle the answers please circle the answers please circle the answers please circle the answers please circle the answers please circle the answers please circle the answers please...

The following questions concern vision correction. Recall that myopia is the inability to image objects far away (the "normal" far point is essentially infinity) and hyperopia is the inability to...

(13%) Problem 9: A person has a near point of NP = 85 cm and a far point of FF = 160 cm. The person wishes to obtain a pair of bifocal eyeglasses to correct these vision problems. The glasses will...

1. {-11 Points] What is the power of the eye in D when viewing an object 61.0 cm away? (Assume the lens-toretina distance is 2.00 cm.) OSCOLPHYSZO16 26.1.P.001. D Additional Materials lIl Reading ASK...

To correct a case of farsightedness, an optometrist prescribes converging contact lenses that effectively move the patients near point from 85 cm to 25 cm. (a) What is the power of the lenses? (b) To...

There are 4 short answer questions for a total of 100 points. Please provide your answers on the black space and use the back of the page for more space. Also, please sign your name under the honor...

7. To correct a case of farsightedness, an optometrist prescribes converging contact lenses that effectively move the patients near point from 85 cm to 25 cm. (a) What is the power of the lenses?...

Suppose the time required to complete a task is known to be less than 15 minutes. Write the sample space S . Let A={t|0 and B={t|2 What is the event ? 2. In each case below, a study is described to...

The table gives Gibson's weight, w, as a function of his age, t. Age (years) Weight (pounds) 6 60 12 115 18 166 24 210 30 252 (a) What is the average rate of change of his weight from age 12 to age...

Dean and Mascon declded to create a business together renting surfboards, paddle boats, and inflatable devices in Calfornia. they will equally share in the declalon making and in the business proffts...

The following transactions were completed by Winklevoss Inc., whose fiscal year is the calendar year: 2016 July 1. Issued $74,000,000 of 20-year, 11% callable bonds dated July 1, 2016, at a market...

The following data were taken from the financial statements of Gates Inc. for the current fiscal year. Assuming that long-term investments totaled $3,000,000 throughout the year and that total assets...

1. Use appropriate descriptive statistics to summarize each of the three variables for the 40 Gulf View condominiums. 2. Use appropriate descriptive statistics to summarize each of the three...

Enviro Company issues 8%, 10-year bonds with a par value of $ 250,000 and semiannual interest payments. On the issue date, the annual market rate for these bonds is 10%, which implies a selling price...

A factory manufactures jelly. The jars of jelly are packed six to a box, and the boxes are sold to grocery stores. The following types of cost were incurred: Jars Sugar Fruit Pectin (thickener used...

The short-run Phillips curve shows a. the relationship between aggregate output and aggregate expenditures. b. the relationship between consumption and investment. c. the relationship between...

A simple pendulum has a length L and a mass m. At its highest point, the pendulum mass is 0.25L above its lowest point (Fig. P11.42). What is the speed of the mass when it is at its lowest point?...

Consider a simple pendulum with L = 5.2 m and m = 3.3 kg. It is given an initial displacement y = +0.15 m (as measured along the circular arc along which it moves) and an initial velocity of +0.20...

A mass-on-a-spring oscillator has m = 7.0 kg and k = 300 N/m and is oscillating with an amplitude of 12 cm. (a) If the value of the mass is increased by a factor of two but the amplitude is kept...

3 1.0892 -1 =1.028891 Can you please explain how to use this feature in a BAII calculator (or any ideas). Thank you

Rob plc has decided that in order to make better investment appraisal decisions they need to re-calculate the company's cost of capital. The following information is from the company's statement of...

Use following information to calculate Net Operating Profit After Tax (NOPAT) for Walmart for 2011: A. $16,487 B. $17,222 C. $29,435 D. $13,987 E. $12,976 WALMART INCOME STATEMENT 2010 TOTAL REVENUES...