College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 25, Problem 9CQ
When choosing between two refracting astronomical telescopes, you notice that the tube of one is twice as wide as the tube of the other one because the objective lens is twice as wide. Will the telescope with the wider tube necessarily produce a greater angular magnification than the narrower one? Why? Would there be any advantages to the wider-tube telescope? If so, what would they be?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
The primary optical element of the Hubble Space Telescope (HST) is 3.2 m in diameter and has a focal length of 62 m. (Treat it as a simple, single lens for this homework) The telescope is aimed at Jupiter and the collected light is focused onto a sensitive Charge Coupled Device (CCD) detector, similar to what is in a digital camera. Each pixel in the detector is a 21 μm x 21 μm square, and the full CCD is 4096 x 4096 pixels. Thus the CCD is about one square inch in size. The HST is in orbit very close to the Earth (compared to other distances in the Solar system).
Size of Jupiter: 139,820 km in diameter
Distance to Jupiter: 778 million km
How many pixels in diameter is Jupiter's image on CCD?
A small telescope has a concave mirror with a 2.6 m radius of curvature for its objective. Its eyepiece is a 3.4 cm focal length lens.
Part (b) What angle (in degrees) is subtended by a 25,000 km diameter sunspot? Assume the sun is 1.50 × 108 km away.
Part (c) What is the image angular size (in degrees) in this telescope?
The primary optical element of the Hubble Space Telescope (HST) is 3.2 m in diameter and has a focal length of 62 m. (Treat it as a simple, single lens for this homework) The telescope is aimed at Jupiter and the collected light is focused onto a sensitive Charge Coupled Device (CCD) detector, similar to what is in a digital camera. Each pixel in the detector is a 21 μm x 21 μm square, and the full CCD is 4096 x 4096 pixels. Thus the CCD is about one square inch in size. The HST is in orbit very close to the Earth (compared to other distances in the Solar system).
Size of Jupiter: 139,820 km in diameter
Distance to Jupiter: 778 million km
Look up the size of Jupiter and the distance to Jupiter when it is closest to Earth. What is the angular size of Jupiter, in degrees, as seen from the Earth?
Chapter 25 Solutions
College Physics (10th Edition)
Ch. 25 - Prob. 1CQCh. 25 - A diver proposed using a clear plastic bag full of...Ch. 25 - The human eye is often compared to a camera. In...Ch. 25 - If the sensor array of a digital camera is placed...Ch. 25 - There have been reports of round fishbowls...Ch. 25 - Since a refracting telescope and a compound...Ch. 25 - You are selecting a converging lens for a...Ch. 25 - While choosing between two refracting astronomical...Ch. 25 - When choosing between two refracting astronomical...Ch. 25 - Youve entered a survival contest that will include...
Ch. 25 - If a person is severely nearsighted, can the...Ch. 25 - Ads for amateur telescopes sometimes contain...Ch. 25 - The focusing mechanism of the human eye most...Ch. 25 - Which of the following statements are true about...Ch. 25 - If, without changing anything else, we double the...Ch. 25 - If a person's eyeball is 2.7 cm deep instead of...Ch. 25 - Which of the following statements are true about...Ch. 25 - If a camera lens gives the proper exposure for a...Ch. 25 - Which of the following operations would increase...Ch. 25 - Which of the following statements are true about a...Ch. 25 - A camera is focusing on an animal. As the creature...Ch. 25 - Your eye is focusing on a person As he walks...Ch. 25 - An astronomical telescope is made with an...Ch. 25 - A simple magnifying glass produces a A. real...Ch. 25 - The focal length of an f/4 camera lens is 300 mm....Ch. 25 - A camera has a lens with an aperture diameter of...Ch. 25 - (a) A small refracting telescope designed for...Ch. 25 - A 135 mm telephoto lens for a 35 mm camera has...Ch. 25 - A camera lens has a focal length of 200 mm. How...Ch. 25 - A camera is focused on an object that is 1.2 m...Ch. 25 - A certain digital camera having a lens with focal...Ch. 25 - Your digital camera has a lens with a 50 mm focal...Ch. 25 - You want to take a full-length photo of your...Ch. 25 - Zoom lens. A zoom lens is a lens that varies in...Ch. 25 - The cornea as a thin lens. Measurements on the...Ch. 25 - Range of the focal length of the eye. We can model...Ch. 25 - A 40-year-old optometry patient focuses on a...Ch. 25 - Crystalline lens of the eye. The crystalline lens...Ch. 25 - Contact lenses. Contact lenses are placed right on...Ch. 25 - Ordinary eyeglasses. Ordinary glasses are worn in...Ch. 25 - A person can see clearly up close, but cannot...Ch. 25 - In one form of cataract surgery the person's...Ch. 25 - Bifocals. A person can focus clearly only on...Ch. 25 - A student's far point is at 17.0 cm. and she needs...Ch. 25 - (a) Where is the near point of an eye for which a...Ch. 25 - Corrective lenses. Determine the power of the...Ch. 25 - You want to view an insect 2.00 mm in length...Ch. 25 - A simple magnifier for viewing postage stamps and...Ch. 25 - A thin lens with a focal length of 6.00 cm is used...Ch. 25 - || The focal length of a simple magnifier is 8.00...Ch. 25 - A microscope has an objective lens with a focal...Ch. 25 - A compound microscope has an objective lens of...Ch. 25 - An insect 1.2 mm tall is placed 1.0 mm beyond the...Ch. 25 - The objective lens and the eyepiece of a...Ch. 25 - The focal length of the eyepiece of a certain...Ch. 25 - A certain microscope is provided with objectives...Ch. 25 - Resolution of a microscope. The image formed by a...Ch. 25 - A refracting telescope has an objective lens of...Ch. 25 - The eyepiece of a refracting astronomical...Ch. 25 - Galileos telescopes, I. While Galileo did not...Ch. 25 - The objective mirror of the Hubble Space Telescope...Ch. 25 - The largest refracting telescope in the world is...Ch. 25 - A photographer takes a photograph of a Boeing 747...Ch. 25 - Curvature of the cornea. In a simplified model of...Ch. 25 - A nearsighted eye. A certain very nearsighted...Ch. 25 - You are examining a flea with a converging lens...Ch. 25 - Physician, heal thyself! (a) Experimentally...Ch. 25 - Laser eye surgery. The distance from the vertex of...Ch. 25 - Its all done with mirrors. A photographer standing...Ch. 25 - An amateur photographer purchases a vintage camera...Ch. 25 - A person with a digital camera uses a lens of...Ch. 25 - A microscope with an objective of focal length...Ch. 25 - A person with a near point of 85 cm, but excellent...Ch. 25 - A telescope is constructed from two lenses with...Ch. 25 - Galileos telescopes, II. The characteristics that...Ch. 25 - A frog can see an insect clearly at a distance of...Ch. 25 - Amphibian vision. The eyes of amphibians such as...Ch. 25 - Given that frogs are nearsighted in air, what is...Ch. 25 - To determine whether a frog can judge distance by...
Additional Science Textbook Solutions
Find more solutions based on key concepts
19. At what speed relative to a laboratory does a clock tick at half the rate of an identical clock at rest in ...
College Physics: A Strategic Approach (4th Edition)
4.53 DATA The table gives automobile performance data for a few types of cars:
Make and Model (Year) Mass (kg...
University Physics (14th Edition)
What factors make a person more likely to develop metabolic syndrome? What are some of the health risks associa...
Conceptual Integrated Science
The three methods to use solar energy.
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
19. A car starts from rest at a stop sign. It accelerates at 4.0 m/s2 for 6.0 s, coasts for 2.0s, and then slow...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
10. Why is it important to study physics? Provide a few examples of what an understanding of the physical world...
Applied Physics (11th 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
- Why is it advantageous to use a large-diameter objective lens in a telescope? (a) It diffracts the light more effectively than smaller-diameter objective lenses. (b) It increases its magnification. (c) It enables you to see more objects in the field of view. (d) It reflects unwanted wavelengths. (e) It increases its resolution.arrow_forwardTwo stars that are 109km apart are viewed by a telescope and found to be separated by an angle of 105 radians. If the eyepiece of the telescope has a focal length of 1.5 cm and the objective has a focal length of 3 meters, how far away are the stars from the observer?arrow_forwardA large reflecting telescope has an objective mirror with a 10.0-rn radius of curvature. What angular magnification does it produce when a 3.00 m-focal length eyepiece is used?arrow_forward
- What is the angular size of the Moon if viewed from a binocular that has a focal length of 1.2 cm for the eyepiece and a focal length of 8 cm for the objective? Use the radius of the moon 1.74106 m and the distance of the moon from the observer to be 3.8108m .arrow_forwardA nearsighted man cannot see objects clearly beyond 20 cm from his eyes. How close must he stand to a mirror in order to see what he is doing when he shaves?arrow_forwardTypically, a good eyepiece will have a focal length of approximately an inch. Suppose we have one with a focal length of 2.4 cm and we wish to make a 11x astronomical telescope with it. What objective focal length shall we use, and how long will the telescope end up? fo = cm Length between lenses = cmarrow_forward
- Use diagrams to describe how the following types of telescope collect light from a single point- source at infinity, and form a focused image in the focal plane: (i) refractor (ii) Newtonian reflector (iii) catadioptric telescope. A telescope with focal ratio f/10 and diameter D = 0.5 m has a CCD detector placed at its focal plane. The CCD chip has dimensions 3 × 3 cm2 . Determine the size of the field of view that can be imaged on the CCD detector in units of arcminutes × arcminutes, and state whether or not an image of the full moon can be captured. Assume the angular diameter of the full moon is 30 arcminutes.arrow_forwardA small telescope has a concave mirror with a 2.6 m radius of curvature for its objective. Its eyepiece is a 3.4 cm focal length lens. Part (a) What is the telescope’s angular magnification? Part (b) What angle (in degrees) is subtended by a 25,000 km diameter sunspot? Assume the sun is 1.50 × 108 km away. Part (c) What is the image angular size (in degrees) in this telescope?arrow_forwardA small telescope has a concave mirror with a 5.50-m radius of curvature for its objective. Its eyepiece is a 3.60-cm focal length lens. (a) What is the telescope's angular magnification? (b) What is the angle subtended by a 25,000-km diameter sunspot? The average Earth-Sun distance is 1.496 x 10¹1 m. rad (c) What is the angle of its telescopic image? radarrow_forward
- An elderly sailor is shipwrecked on a desert island, but manages to save his eyeglasses. The lens for one eye has a power of +1.20 diopters, and the other lens has a power of +9.00 diopters. (a) What is the magnifying power of the telescope he can construct with these lenses? (b) How far apart are the lenses when the telescope is adjusted for minimum eyestrain?arrow_forwardIf the angular magnification of an astronomical telescope is 38 and the diameter of the objective is 76 mm, what is the minimum diameter of the eyepiece required to collect all the light entering the objective from a distant point source located on the telescope axis? Number Units the tolerance is +/-5%arrow_forwardAn older camera has a lens with a focal length of 50 mm and uses 36-mm-wide film. Using this camera, a photographer takes a picture of the Golden Gate Bridge that completely spans the width of the film. Now he wants to take a picture of the bridge using his digital camera with its 12-mm-wide CCD detector. What focal length should this camera’s lens have for the image of the bridge to cover the entire detector?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- University Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStaxPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningGlencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
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