Essential University Physics (3rd Edition)
3rd Edition
ISBN: 9780134202709
Author: Richard Wolfson
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 31, Problem 9FTD
Is the image on a movie screen real or virtual? How do you know?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A swimmer, who is looking up from under the water, sees a diving board directly above at an apparent height of 4 m above the water. What is the actual height of the diving board?
3.00 m
5.33 m
2.18 m
1.09 m
Have you experienced walking on a street and noticed an image of a small billboard from afar? Because of the distance, the message on that billboard is not readable. What action would you take to be able to see clearly and understand the message on that billboard?
A fish appears to be 2.00 m below the surface of a pond when viewed almostdirectly above by a fisherman. What is the actual depth of the fish? (n = 1.33)water
0.67 m
2.66 m
0.38 m
1.5 m
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
Modified True/False 3. __________ Aquatic microorganisms are more prevalent near the surface than at the bottom...
Microbiology with Diseases by Body System (5th Edition)
Distinguish between microevolution, speciation, and macroevolution.
Campbell Essential Biology (7th Edition)
What name is given to the zone of greatest seismic activity?
Applications and Investigations in Earth Science (9th Edition)
Use the key to classify each of the following described tissue types into one of the four major tissue categori...
Anatomy & Physiology (6th Edition)
4. Three groups of nonvascular plants are _______, ______, and _______. Three groups of seedless vascular plant...
Biology: Life on Earth (11th Edition)
10.71 Identify each of the following as an acid or a base: (10.1)
H2SO4
RbOH
Ca(OH)2
HI
...
Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
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
- (i) An object is plated at a position p f from a concave mirror as shown in Figure CQ39.12a, where f is the focal length of the mirror. In a finite time interval, the object is moved to the right to a position at the focal point F of the mirror. Show that the image of the object moves at a speed greater than the speed of light. (ii) A laser pointer is suspended in a horizontal plane and set into rapid rotation as shown in Figure CQ39 12b. Show that the spot of light it produces on a distant screen can move across the screen at a speed greater than the speed of light. (If you carry out this experiment. make sure the direct laser light cannot enter a person's eyes.) (iii) Argue that the experiments in parts (i) and (ii) do not invalidate the principle that no material, no energy, and no information can move faster than light moves in a vacuum. Figure CQ39.12arrow_forwardAn observer to the right of the mirror-lens combination shown in Figure P36.89 (not to scale) sees two real images that are the same size and in the same location. One image is upright, and the other is inverted. Both images are 1.50 times larger than the object. The lens has a focal length of 10.0 cm. The lens and mirror are separated by 40.0 cm. Determine the focal length of the mirror.arrow_forwardI'm going to install a placard on the school bulletin board. The placard is 2 meters long and the bottom of the placard is 1 meter above the eye level. How many meters away is the position of the placard's lowest to highest angle from the notice board?arrow_forward
- You are a marine biologist and want to pull a star fish out of a tank of water for testing. Looking from the top of the tank, where is the actual starfish compared to the image of the starfish that you see from the surface? Explain.arrow_forwardA beam of light traveling in air strikes a slab of transparent material. The incident beam makes an angle of 45° with the normal, and the refracted beam make an angle of 22° with the normal. What is the speed of light in the transparent material? (c = 3.0 × 10° m/s) %3Darrow_forwardAsaparrow_forward
- A man in a boat is looking straight down at a fish in the water (n = 1.333) directly beneath him. The fish is looking straight up at the man. They are equidistant from the air/water interface. To the man, the fish appears to be 2.3 m beneath his eyes. To the fish, how far above its eyes does the man appear to be?arrow_forwardWhen you open an image and then resize the frame, what happens? What if you resize the frame first, then open a photo?arrow_forwardYou are standing waist-deep in a swimming pool when you notice a penny underwater on the pool floor. What is different about the appearance of this penny compared to one that you would see next to your feet on dry ground?arrow_forward
- Line of sight The figure shows a meter stick lying on the bottom of a 100 cm long tank with its zero mark against the left edge. You look into the tank at a 30° angle, with your line of sight just grazing the upper left edge of the tank. What mark do you see on the meter stick if the tank is full of benzene (n = 1.50)? 30 50 cm Zero Meter stick 100 cmarrow_forwardYou are a detective interviewing someone who says that (while sitting on a porch that you know to be 600ft away) he saw the masked suspect commit the crime in broad daylight. "How do you know it was the suspect?" you ask. "I clearly saw the 'MOM' that is tattooed on his upper arm." "You're sure it was that particular tattoo and not some other tattoo?" "Yes, I'm sure," The witness replies. The suspect's tattoo has letters that are 6cm tall. Is the witness credible, or might he be framing the suspect? Justify your response and any estimates you might make.arrow_forwardGiven the height of a cube is 2.55 mm and the length is 2.63 mm, what is the width of a cube on the attached image? Then determine the volume of a cubic object.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
AP Physics 2 - Geometric Optics: Mirrors and Lenses - Intro Lesson; Author: N. German;https://www.youtube.com/watch?v=unT297HdZC0;License: Standard YouTube License, CC-BY