Light from a pencil is refracted through a double convex (converging) thin lens. The pencil is at a distance of 30 cm from the lens and has a height of 15 cm. The focal length of the lens is 10 cm. a) Draw a sketch of the problem including the object, the lens, the image, and all rays you are using to produce it. Label the various quantities and points with their appropriate variable names (s, s', y, y', f, F, etc.). b) Calculate the distance of the image from the lens. c) The lens has radii of curvature equal to 40 cm. Calculate the index of refraction of the material of the lens. d) Calculate the height of the image, and establish whether it is erect or inverted, and whether it is real or virtual. e) Calculate the lateral magnification.
Light from a pencil is refracted through a double convex (converging) thin lens. The pencil is at a distance of 30 cm from the lens and has a height of 15 cm. The focal length of the lens is 10 cm. a) Draw a sketch of the problem including the object, the lens, the image, and all rays you are using to produce it. Label the various quantities and points with their appropriate variable names (s, s', y, y', f, F, etc.). b) Calculate the distance of the image from the lens. c) The lens has radii of curvature equal to 40 cm. Calculate the index of refraction of the material of the lens. d) Calculate the height of the image, and establish whether it is erect or inverted, and whether it is real or virtual. e) Calculate the lateral magnification.
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter25: Optical Instruments
Section: Chapter Questions
Problem 25P: A leaf of length h is positioned 71.0 cm in front of a converging lens with a focal length of 39.0...
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Transcribed Image Text:Light from a pencil is refracted through a double convex (converging) thin lens. The
pencil is at a distance of 30 cm from the lens and has a height of 15 cm. The focal
length of the lens is 10 cm.
a) Draw a sketch of the problem including the object, the lens, the image, and all
rays you are using to produce it. Label the various quantities and points with
their appropriate variable names (s, s', y, y', f, F, etc.).
b) Calculate the distance of the image from the lens.
c) The lens has radii of curvature equal to 40 cm. Calculate the index of
refraction of the material of the lens.
d) Calculate the height of the image, and establish whether it is erect or inverted,
and whether it is real or virtual.
e) Calculate the lateral magnification.
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