Compound Microscope: A magnifying glass looking at a "pre -enlarged" image A simple magnifier allows you to get your eye up close to an object. The eyepiece of the microscope is a “simple magnifier." The trick of the compound microscope is to create a "pre-enlarged" image for the eyepiece/magnifier to look at. converging lens, the objective. This is done with another objective object evepiece looks at the image image M , “magnifying power" = "angular magnification" of a microscope is given by that of the eyepiece, times the pre-magnification of the objective: M. = m objective M microscope eyepiece 1 Consider an “objective" lens with fobj = 2.0 cm. Where should you put the object to make a REALLY BIG real image? 2. What is the magnification of an image (e.g. in the above figure) for an object located at do = 3.0 cm? (Note: this won't make a REALLY BIG image, but you are "pretty close" to the focal length.) d, d. m. %3D "objective
Compound Microscope: A magnifying glass looking at a "pre -enlarged" image A simple magnifier allows you to get your eye up close to an object. The eyepiece of the microscope is a “simple magnifier." The trick of the compound microscope is to create a "pre-enlarged" image for the eyepiece/magnifier to look at. converging lens, the objective. This is done with another objective object evepiece looks at the image image M , “magnifying power" = "angular magnification" of a microscope is given by that of the eyepiece, times the pre-magnification of the objective: M. = m objective M microscope eyepiece 1 Consider an “objective" lens with fobj = 2.0 cm. Where should you put the object to make a REALLY BIG real image? 2. What is the magnification of an image (e.g. in the above figure) for an object located at do = 3.0 cm? (Note: this won't make a REALLY BIG image, but you are "pretty close" to the focal length.) d, d. m. %3D "objective
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Transcribed Image Text:Compound Microscope: A magnifying glass looking at a "pre -enlarged" image
A simple magnifier allows you to get your eye up close to an object. The eyepiece of the
microscope is a “simple magnifier." The trick of the compound microscope is to create a
"pre-enlarged" image for the eyepiece/magnifier to look at.
converging lens, the objective.
This is done with another
objective
object
eyepiece looks
at the image
image
M , “magnifying power" = "angular magnification" of a microscope is given by that of the
eyepiece, times the pre-magnification of the objective:
M.
microscope
= m
Objective M
eyepiece
1 Consider an “objective" lens with fobj = 2.0 cm. Where should you put the object to make a
REALLY BIG real image?
2. What is the magnification of an image (e.g. in the above figure) for an object located at do =
3.0 cm? (Note: this won't make a REALLY BIG image, but you are "pretty close" to the focal
length.)
d.
mobjective
d.
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