Question

The angular magnification of a telescope is 32800 times as large when you look through the correct end of the telescope as when you look through the wrong end. What is the angular magnification of the telescope?

Name: Problem 104, Chapter 26: Physics
Uploaded: 2021-11-24T15:31:13-08:00
Duration: 2 min 29 s
Channel: Suzanne W.
Description: The angular magnification of a telescope is 32800 times as large when you look through the correct end of the telescope as when you look through the wrong end. What is the angular magnification of the telescope?

   The angular magnification of a telescope is 32800 times as large when you look through the correct end of the telescope as when you look through the wrong end. What is the angular magnification of the telescope?

Physics

John D. Cutnell,… 8th Edition

Chapter 26, Problem 104

Instant Answer

Solved by Expert Suzanne W.

11/24/2021

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When looking through the correct end of the telescope, this is given by $-F_O/F_E$. Show more…

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The angular magnification of a telescope is 32800 times as large when you look through the correct end of the telescope as when you look through the wrong end. What is the angular magnification of the telescope?

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Key Concepts

Angular Magnification

Angular magnification refers to the ratio of the angle subtended by an image when viewed through an optical instrument to the angle subtended by the object when viewed with the naked eye. It is a measure of how much larger or closer an object appears, and in telescopic optics, it is typically determined by the ratio of the focal lengths of the objective and eyepiece lenses.

Optical System Orientation

The proper orientation of an optical instrument, such as a telescope, is crucial for achieving the intended magnification and image quality. Viewing an optical device from its designed, or correct, configuration ensures that the light paths are utilized as intended by the design, while using it in the reverse configuration can significantly alter or reduce the effective magnification and overall performance.

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