Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Textbook Question
Chapter 30, Problem 10A
What is the function of the eyepiece in an astronomical telecsope?
Expert Solution & Answer
To determine
To explain: Function of Eyepiece in a Astronomical Telescope.
Explanation of Solution
Introduction:
A telescope is an optical instrument which is used to see far away or distant objects. It uses two pieces of convex lens.
A telescope consists of two lenses, the first one called objective lens and the second one called eyepiece. An Astronomical telescope is a telescope having an objective lens with large focal length and eyepiece with a short focal length. The real, inverted image formed by the objective lens is not projected on a screen but is projected towards another lens which acts as a magnifying glass to magnify the image. The eyepiece is placed in such a way that the image formed by the objective lens is within the focal length of eyepiece in order to obtain a virtual, inverted and magnified image of an image obtained by objective lens which serves as an object for eyepiece. In fact, the eyepiece forms image of an image formed by objective lens.
Conclusion:
Hence, eyepiece is used in astronomical telescope to obtain a magnified image of the image formed by objective lens.
Chapter 30 Solutions
Conceptual Physics: The High School Physics Program
Ch. 30 - Prob. 1ACh. 30 - Prob. 2ACh. 30 - Distinguish between a virtual image and a real...Ch. 30 - There are three convenient rays commonly used in...Ch. 30 - Prob. 5ACh. 30 - Prob. 6ACh. 30 - What types of images are formed by converging...Ch. 30 - What types of images are formed by diverging...Ch. 30 - Prob. 9ACh. 30 - What is the function of the eyepiece in an...
Ch. 30 - What type of lenses are used in a compound...Ch. 30 - Which instrument—a telescope, a compound...Ch. 30 - Prob. 13ACh. 30 - Prob. 14ACh. 30 - Prob. 15ACh. 30 - Prob. 16ACh. 30 - Percy stands at different distances from a lens...Ch. 30 - Depending on the location of Percy relative to the...Ch. 30 - Here Percy is in front of a diverging lens....Ch. 30 - When you cover the top half of a camera lens, what...Ch. 30 - What will happen to the image projected onto a...Ch. 30 - Prob. 22ACh. 30 - How could you demonstrate that an image was indeed...Ch. 30 - Prob. 24ACh. 30 - In terms of focal length, how far is the camera...Ch. 30 - Can you photograph yourself in a mirror and focus...Ch. 30 - If you take a photograph of your image in a plane...Ch. 30 - Copy the three drawings in the figure. Then use...Ch. 30 - Maps of the moon are actually upside down. Why is...Ch. 30 - The real image produced by a converging lens is...Ch. 30 - In which case does light undergo the greater...Ch. 30 - In which case is refraction greater, light in...Ch. 30 - From water to glass, the change in the speed of...Ch. 30 - A whales eye uses hydraulics to move the lens of...Ch. 30 - Focal-length variations in birds and reptiles are...Ch. 30 - Prob. 36ACh. 30 - If you have ever watched a water strider or other...Ch. 30 - What is responsible for the rainbow-colored fringe...Ch. 30 - Waves overlap very little in the image of a...Ch. 30 - Prob. 40ACh. 30 - Prob. 41ACh. 30 - Determine the magnification power of a lens by...Ch. 30 - Make a pinhole camera, as illustrated in the...
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