A person with a near-point distance of 25 cm is able to get a usable angular...
A person with a near-point distance of 25 cm is able to get a usable angular magnification of 12 with a particular magnifying glass. Her friend is only able to get a usable angular magnification of 7. What is the friend’s near-point distance?
Homework Answers
Add Answer to:
A person with a near-point distance of 25 cm is able to get a
usable angular...
A person with a near-point distance of 32 cm is able to get a usable angular...
A person with a near-point distance of 32 cm is able to get a usable angular magnification of 12 with a particular magnifying glass. Her friend is only able to get a usable angular magnification of 7. What is the friend’s near-point distance?
A person with a near-point distance of 30 cm uses a magnifying glass with a focal...
A person with a near-point distance of 30 cm uses a magnifying glass with a focal length of 3 cm. What is the magnification of the magnifying glass? O 10 0-10 90 -90
A jeweler examines a diamond with a magnifying glass. If the near-point distance of the jeweler...
A jeweler examines a diamond with a magnifying glass. If the near-point distance of the jeweler is 20.7 cm, and the focal length of the magnifying glass is 7.00 cm, find the angular magnification when the diamond is held at the focal point of the magnifier. Assume the magnifying glass is directly in front of the jeweler's eyes. (Include the sign.) ✕ A grade-school student plans to build a 55 power telescope as a science fair project. She starts with...
Chapter 26, Problem Ong A farsighted person can read printing as close as 25.0 cm when...
Chapter 26, Problem Ong A farsighted person can read printing as close as 25.0 cm when she wears contacts that have a focal length of 49.0 cm. One day, however, she forgets her contacts and uses a magnifying glass, as in the drawing. It has a maximum angular magnification of 7.31 for a young person with a normal near point of 25.0 cm. What is the maximum angular magnification that the magnifying glass can provide for her? Maging Number Units...
A jeweler whose near point is 68 cm from his eye uses a magnifying glass as...
A jeweler whose near point is 68 cm from his eye uses a magnifying glass as in the drawing to examine a watch. The watch is held 3.5 cm from the magnifying glass. Find the angular magnification of the magnifying glass.
An object has an angular size of 0.0183 rad when placed at the near point (24.9...
An object has an angular size of 0.0183 rad when placed at the near point (24.9 cm) of an eye. When the eye views this object using a magnifying glass, the largest possible angular size of the image is 0.0496 rad. What is the focal length of the magnifying glass?
A farsighted person has a near point of 75 cm rather the normal 25 cm. What...
A farsighted person has a near point of 75 cm rather the normal 25 cm. What strength lens, in diopters, should be prescribed to correct this vision problem? Object , o = 25cm, image, i= -75cm(negative, in front of lens) Martin is severe myopia, with a far point of 15cm. he wants to get a glass that he ‘ll wear while using his computer, whose screen is 75cm away. What refractive power will these glasses required? Object, o=75 cm, image,...
A stamp collector observed his favorite stamp with a magnifying glass with a focal length of...
A stamp collector observed his favorite stamp with a magnifying glass with a focal length of 24.0 cm. The image of the stamp was located at his near point distance of 30.0 cm. What was the approximate angular magnification of the magnifying glass when the collector observed his stamp?
Given: Assume the near point (of the eye) is 25 cm . The distance between eyepiece...
Given: Assume the near point (of the eye) is 25 cm . The distance between eyepiece and objective lens in a certain compound microscope is l = 17.6 cm . The focal length of the eyepiece is fe = 2.57 cm , and that of the objective lens is fo = 0.3 cm . What is the overall magnification of the microscope? Caution: a negative quantity this is. Use the approximation l − fe ≈ l and object distance do...
an older person needs a pair of reading glasses.Her near point is at 48 cm from...
an older person needs a pair of reading glasses.Her near point is at 48 cm from her eyes and reading glasses are 2 cm from her eyes. The glasses should allow her to read 25 cm away. What are the object and image distances? what is the magnification of these lenses? What is the focal length of the pair of glasses? What is the optical power of the lens pair? What type of lenses (converging, diverging) does she need?
A person with a near-point distance of 30 cm uses a magnifying glass with a focal length of 3 cm. What is the magnification of the magnifying glass? O 10 0-10 90 -90
Chapter 26, Problem Ong A farsighted person can read printing as close as 25.0 cm when she wears contacts that have a focal length of 49.0 cm. One day, however, she forgets her contacts and uses a magnifying glass, as in the drawing. It has a maximum angular magnification of 7.31 for a young person with a normal near point of 25.0 cm. What is the maximum angular magnification that the magnifying glass can provide for her? Maging Number Units...
Most questions answered within 3 hours.
-
According to a recent national Gallup Poll of U.S. smartphone
user, 35% upgrade their cell phone...
asked 1 minute ago -
Suppose researchers perform a large-sample test of a population
proportion where the null hypothesis is that...
asked 29 seconds ago -
Jessica is single and has taxable income of $305,000 of which
$130,000 is attributable to her...
asked 5 minutes ago -
Can someone help me fill in the first part of this c++ code:
I need it...
asked 7 minutes ago -
A reaction vessel at 27 ∘C contains a mixture of SO2(P=3.10 atm
) and O2(P=1.00 atm...
asked 27 minutes ago -
A scientist randomly mutates the DNA of a bacterium. She then
sequences the bacterium’s daughter cells,...
asked 38 minutes ago -
2. Content theories attempt to explain work behaviors based on
__________.
a. the relationship between values...
asked 30 minutes ago -
Discuss the impact of technology on Medieval society and culture
and the impact of society and...
asked 27 minutes ago -
Assignment 3: Introduction & Environmental Analysis,
SWOT, Marketing Objectives (Goals) Marketing 4100
Directions
Total Point Value:...
asked 19 minutes ago -
Forecasts and actual sales of MP3 players at Just Say
Music are as follows:
Month
Forecast...
asked 20 minutes ago -
function predictKNN which computes the KNN prediction for given
input xi, K and train data.
A...
asked 32 minutes ago -
A 3.15-g bullet embeds itself in a 1.17-kg block, which is
attached to a spring of...
asked 46 minutes ago