Microscopes 5. A microscope with a barrel length of 17.5 cm has an eyepiece with a focal length of 1.60 cm and an objective lens with a focal length of 0.64 cm. Assuming a normal eye with the final image at infinity, what is the magnification of this microscope? 6. A microscope has a 15.0x eyepiece and a 60.0x objective lens that are 20.0 cm apart. Calculate a) the total magnification, b) the focal length of each lens and c) where the object must be placed for a normal relaxed eye to see it in focus.

University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
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Chapter2: Geometric Optics And Image Formation
Section: Chapter Questions
Problem 99P: An amoeba is 0.305 cm away from the 0.300 cm- focal length objective lens of a microscope. (a) Where...
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5&6
Microscopes
5. A microscope with a barrel length of 17.5 cm has an eyepiece with a focal length of 1.60 cm and
an objective lens with a focal length of 0.64 cm. Assuming a normal eye with the final image at
infinity, what is the magnification of this microscope?
6. A microscope has a 15.0x eyepiece and a 60.0x objective lens that are 20.0 cm apart. Calculate
a) the total magnification, b) the focal length of each lens and c) where the object must be
placed for a normal relaxed eye to see it in focus.
Transcribed Image Text:Microscopes 5. A microscope with a barrel length of 17.5 cm has an eyepiece with a focal length of 1.60 cm and an objective lens with a focal length of 0.64 cm. Assuming a normal eye with the final image at infinity, what is the magnification of this microscope? 6. A microscope has a 15.0x eyepiece and a 60.0x objective lens that are 20.0 cm apart. Calculate a) the total magnification, b) the focal length of each lens and c) where the object must be placed for a normal relaxed eye to see it in focus.
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