A geologist uses a magnifying lens to view a tiny fossil. He places his specimen 3.40 cm in front of the lens, and this forms an image 25.0 cm from his eye. (a) What focal length (in cm) describes the lens? cm (b) What angular magnification describes the image formed under these circumstances?

A geologist uses a magnifying lens to view a tiny fossil. He places his specimen 3.40 cm in front of the lens, and this forms an image 25.0 cm from his eye. (a) What focal length (in cm) describes the lens? cm (b) What angular magnification describes the image formed under these circumstances?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter26: Image Formation By Mirrors And Lenses

Section: Chapter Questions

Problem 7OQ: A converging lens made of crown glass has a focal length of 15.0 cm when used in air. If the lens is...

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A geologist uses a magnifying lens to view a tiny fossil. He places his specimen 3.40 cm in front of the lens, and this forms an
image 25.0 cm from his eye.
(a) What focal length (in cm) describes the lens?
cm
(b) What angular magnification describes the image formed under these circumstances?

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