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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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eyepiece has a focal length of 5.0 cm.
this telescope when viewing an object at infinity?
What is the magnification of"
Transcribed Image Text:14. The objective of a telescope has a focal length of 100 cm and its
eyepiece has a focal length of 5.0 cm.
this telescope when viewing an object at infinity?
What is the magnification of
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- A telescope's objective lens focal length is 30 cm. Its eyepiece focal length is 2 cm. What is the telescope's magnification?arrow_forwardThe objective and ocular of an astronomical telescope are 1.70 m apart. The ocular has a focal length of 4.55 cm. What is the telescope's angular magnification?arrow_forwardThe Moon has an angular size of 0.50° when viewed with unaided vision from Earth. Suppose the Moon is viewed through a telescope with an objective whose focal length is 175 cm and an eyepiece whose focal length is 35 mm. What is the angular size of the Moon as seen through this telescope?arrow_forward
- A telescope has an objective lens with a focal length of 165 cm and an eyepiece of focal length 5.95 cm. What is the angular magnification of the telescope?arrow_forwardAn astronomical telescope has an objective with a focal length of 1.7 m and an ocular with a focal length of 5.8 cm. What is its angular magnification?arrow_forwardA camera is equipped with a lens with a focal length of 33 cm. When an object 2.9 m (290 cm) away is being photographed, what is the magnification?arrow_forward
- The distance between the lenses in a compound microscope is 18 cm. The focal length of the objective is 1.5 cm. If the microscope is to provide an angular magnification of - 68 when used by a person with a normal near point (25 cm from the eye), what must be the focal length of the eyepiece?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 (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 camera lens has a focal length of 35.0 mm. its f-stop setting range from f-1.4 to f-22. What is the maximum diameter of the aperture?arrow_forward
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