![Essential University Physics (3rd Edition)](https://www.bartleby.com/isbn_cover_images/9780134202709/9780134202709_largeCoverImage.gif)
Essential University Physics (3rd Edition)
3rd Edition
ISBN: 9780134202709
Author: Richard Wolfson
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 31, Problem 82PP
Increasing the f-ratio from 2.8 to 5.6
- a. decreases the light admitted by a factor of 2.
- b. decreases the light admitted by a factor of 4.
- c. increases the light admitted by a factor of 2.
- d. increases the light admitted by a factor of 4.
Expert Solution & Answer
![Check Mark](/static/check-mark.png)
Want to see the full answer?
Check out a sample textbook solution![Blurred answer](/static/blurred-answer.jpg)
Students have asked these similar questions
22.A. The law that states the relationship between the incident and refracted rays is calledA. Snell's law.B. Fresnel's law.C. Einstein's law.D. Job's law.22.B. Which of the following was one of the first fiber-optic connectors (now obsolete)?A. BiconicB. LCC. EBD. MPOMTP
Chromatic aberration is the result of
a.
reflection.
b.
straight ray propagation.
c.
the paraxial ray approximation.
d.
total internal reflection.
e.
dispersion.
2.
A ray of light travels from vacuum to diamond. If the ray of light in the diamond makes an angle of 15.0 degrees to the normal, what is the angle of incidence in the vacuum?
Chapter 31 Solutions
Essential University Physics (3rd Edition)
Ch. 31.1 - You stand in front of a plane mirror whose top is...Ch. 31.1 - Where would you place an object so that its real...Ch. 31.2 - Prob. 31.3GICh. 31.3 - A thin lens has focal length +50 cm. Which of the...Ch. 31.4 - If you look backward through a refracting...Ch. 31 - How can you see a virtual image, when its not...Ch. 31 - Under what circumstances will the image in a...Ch. 31 - If you're handed a converging lens, what can you...Ch. 31 - A diverging lens always makes a reduced image....Ch. 31 - Is there any limit to the temperature you can...
Ch. 31 - Can a concave mirror make a reduced real image? A...Ch. 31 - If you placed a screen at the location of a...Ch. 31 - If you look into the bowl of a metal spoon, you...Ch. 31 - Is the image on a movie screen real or virtual?...Ch. 31 - Does a fish in a spherical bowl appear larger or...Ch. 31 - A block of ice contains a hollow, air-filled space...Ch. 31 - The refractive index of the human cornea is about...Ch. 31 - Do you want a long or short focal length for a...Ch. 31 - Prob. 14FTDCh. 31 - A shoe store uses small floor-level mirrors to let...Ch. 31 - A candle is on the axis of a 15-cm-focal-length...Ch. 31 - Prob. 17ECh. 31 - A virtual image is located 40cm behind a concave...Ch. 31 - (a) Where on the axis of a concave mirror would...Ch. 31 - A lightbulb is 56 cm from a convex lens. Its image...Ch. 31 - By what factor is the image magnified for an...Ch. 31 - A lens with 50-cm focal length produces a real...Ch. 31 - By holding a magnifying glass 25 cm from your desk...Ch. 31 - A real image is four times as far from a lens as...Ch. 31 - Prob. 25ECh. 31 - Youre writing specifications for a new line of...Ch. 31 - Prob. 27ECh. 31 - The bottom of a swimming pool looks to be 1.5 m...Ch. 31 - Prob. 29ECh. 31 - Youre underwater, looking through a spherical air...Ch. 31 - You have to hold a book 55 cm from your eyes for...Ch. 31 - What focal length should you specify if you want a...Ch. 31 - Youre an optometrist helping a nearsighted patient...Ch. 31 - A particular eye has a focal length of 2.0 cm...Ch. 31 - A compound microscope has objective and eyepiece...Ch. 31 - (a) Find the focal length of a concave mirror if...Ch. 31 - A 12-mm-high object is 10cm from a concave mirror...Ch. 31 - Repeat Problem 37 for a convex mirror, assuming...Ch. 31 - An objects image in a 27-cm-focal-length concave...Ch. 31 - Youre asked to design a concave mirror that will...Ch. 31 - Viewed from Earth, the Moon subtends an angle of...Ch. 31 - Prob. 42PCh. 31 - LCD projectors commonly used for computer and...Ch. 31 - An object 15 cm from a concave mirror has a...Ch. 31 - How far from a page should you hold a lens with...Ch. 31 - A converging lens has focal length 4.0 cm. A...Ch. 31 - A lens has focal length f = 35 cm. Find the type...Ch. 31 - How far apart are the object and image produced by...Ch. 31 - A candle and a screen are 70cm apart. Find two...Ch. 31 - Prob. 50PCh. 31 - How far from a 25-cm-focal-length lens should you...Ch. 31 - An object and its lens-produced real image are 2.4...Ch. 31 - An object is 68 cm from a plano-convex lens whose...Ch. 31 - Prob. 54PCh. 31 - Rework Example 31.4 for a fish 15.0 cm from the...Ch. 31 - Prob. 56PCh. 31 - Prob. 57PCh. 31 - A contact lens is in the shape of a convex...Ch. 31 - For what refractive index would the focal length...Ch. 31 - An object is 28 cm from a double-convex lens with...Ch. 31 - Youre an optician whos been asked to design a new...Ch. 31 - A double-convex lens with equal 28.5-cm curvature...Ch. 31 - An object placed 17.5 cm from a convex lens of...Ch. 31 - Youre taking a photography class, working with a...Ch. 31 - A camera can normally focus as close as 60cm, but...Ch. 31 - A 300-power compound microscope has a...Ch. 31 - To the unaided eye, Jupiter has an angular...Ch. 31 - A Cassegrain telescope like that shown in Fig....Ch. 31 - You stand with your nose 6.0 cm from the surface...Ch. 31 - A contact lens prescription calls for...Ch. 31 - Show that placing a 1-diopter lens in front of a...Ch. 31 - Derive an expression for the thickness t of a...Ch. 31 - Show that identical objects placed equal distances...Ch. 31 - Generalize the derivation of the lensmakers...Ch. 31 - Draw a diagram like Fig. 31.10, but showing a ray...Ch. 31 - Prob. 76PCh. 31 - The maximum magnification of a simple magnifier...Ch. 31 - Chromatic aberration results from variation of the...Ch. 31 - For visible wavelengths, the refractive index of...Ch. 31 - The table below shows measurements of...Ch. 31 - Zooming your camera's lens for telephoto shots...Ch. 31 - Increasing the f-ratio from 2.8 to 5.6 a....Ch. 31 - Youre given two lenses with different diameters....Ch. 31 - If a lens suffers from spherical aberration,...
Additional Science Textbook Solutions
Find more solutions based on key concepts
59. (I) An 85-kg football player traveling 5.0 m/s is stopped in 1.0 s by a tackier. (a) What is the original k...
Physics: Principles with Applications
The diagram shows Bob’s view of the passing of two identical spaceships. Anna’s and his own, where v=2 . The le...
Modern Physics
A nonconducting sphere of radius r2 contains a concentric spherical cavity of radius r1. The material between r...
Physics for Scientists and Engineers with Modern Physics
At the instant shown in Figure 1, which direction is the star moving (circle one)?
Lecture- Tutorials for Introductory Astronomy
Wind gusts create ripples on the ocean that have a wavelength at 5.00 cm and propagate at 2.00m/s. What is thei...
College Physics
Use your knowledge of the velocities and changes in velocities to construct momentum vectors and change in mome...
Tutorials in Introductory Physics
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- 13. 650 51° Fig N Figure 2 shows a ray of light x in glass refracted into air. If the speed of light in air is 3.0 x 105 ms'. Which of the following is the correct value for the speed of light in glass? A 2.0 x 10* ms- B 3.0 x 10° ms- 1.8 x 10° ms! D 340 msarrow_forwardA ray of light strikes a medium with a refractive index 1.5. Part of it is reflected (angle of reflection is theta) and part is refracted (angle of refraction is phi). Then a. theta < phi b. theta > phi c. theta = 3 X phi d. theta = phi e. theta = 1.5 X phiarrow_forward32. Suppose you want to experimentally determine the index of refraction of a certain glass. You let a single light ray passed through the glass. The angles of incidence (e_1) and refraction (e_2) were recorded below. Determine the experimental value of the index of refraction of the glass. * 01 () 02 () 30 20 35 24 40 26 45 29 50 32 A. 0.6873 B. 1.4485 C. 1.4550 D. 1.4559 E. Cannot be determined using the given informationarrow_forward
- 2/19-arrow_forwardThe instrument that can record the image of a faint object in the least amount of observing time is the a. human eye. b. photographic plate. c. photometer. d. charge-coupled device (CCD). e. spectrometer.arrow_forwardWhen light passes between two different media (i.e. oil and water), and the index of refraction of the second object is higher than the first object, the light will _______________. a. bend towards the boundary between the two surfaces. b. curve downwards with the force of gravity. c. curve until it circles back to the original medium. d. bend towards the line that runs normal (aka perpendicular) to the boundary between the two surfaces.arrow_forward
- Physics 4. A ray of light strikes a surface and is reflected such that the angle between the incident ray and the reflected ray is 30°. What is the angle of incidence? (b) What is the angle of reflection? 5. A material has an index of refraction of 1.5. What is the speed of light in this material?arrow_forward1. A light ray hits a surface at an angle of 12°. The material on the other side of the surface has an index of refraction of 1.14 and the light is making an angle of 15° with the surface when it exits on the side. What is the index of refraction on the incident side of the surface?arrow_forward8. What is the speed of light in diamond (n = 2.42)? Why does the speed of light change when light passes through material that is denser than air? 9. Using Snell's Law: if n2>n₁, what is the relationship between ₁ and ₂?arrow_forward
- As shown in the right figure, two refractive indices between a spherical surface are n1 > n2. What happens when a parallel light beam crosses this spherical surface? A. It becomes a converging beam. B. It becomes a diverging beam. C. It remains a parallel beam. D. It is totally reflected.arrow_forward72. The image the lens of the eye forms on the retina is A. depends on the focal point of the eye B. real and inverted. C. real and erect. D. virtual and erect. E. virtual and inverted.arrow_forward11. A ray of light travels through a lens, like shown. What happens to the light?A. It is absorbed.B. It is diffused.C. It is reflected.D. It is refracted.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Horizons: Exploring the Universe (MindTap Course ...PhysicsISBN:9781305960961Author:Michael A. Seeds, Dana BackmanPublisher:Cengage LearningPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
![Text book image](https://www.bartleby.com/isbn_cover_images/9781305952300/9781305952300_smallCoverImage.gif)
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
![Text book image](https://www.bartleby.com/isbn_cover_images/9781133104261/9781133104261_smallCoverImage.gif)
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
![Text book image](https://www.bartleby.com/isbn_cover_images/9781305116399/9781305116399_smallCoverImage.gif)
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
![Text book image](https://www.bartleby.com/isbn_cover_images/9781305960961/9781305960961_smallCoverImage.gif)
Horizons: Exploring the Universe (MindTap Course ...
Physics
ISBN:9781305960961
Author:Michael A. Seeds, Dana Backman
Publisher:Cengage Learning
![Text book image](https://www.bartleby.com/isbn_cover_images/9781133939146/9781133939146_smallCoverImage.gif)
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Convex and Concave Lenses; Author: Manocha Academy;https://www.youtube.com/watch?v=CJ6aB5ULqa0;License: Standard YouTube License, CC-BY