L of Microscopes: 1. If you have a standard ocular lens of 10x what is the true magnification that you are looking at if you are using the 100x objective lens. What is the rule for focusing if you switch to the 40x lens? 2. Calculate the sizes of the following cells. Not all cells are viewed at 40x so use the following table to calculate the size of your cells. 4x 1 reticular unit = .025 mm 10x 1 reticular unit = .01 mm 40x 1 reticular unit = .0025 mm

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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L of
Microscopes:
1. If you have a standard ocular lens of 10x what is the true magnification that you are looking at if you
are using the 100x objective lens. What is the rule for focusing if you switch to the 40x lens?
2. Calculate the sizes of the following cells. Not all cells are viewed at 40x so use the following table to
calculate the size of your cells.
4x
1 reticular unit = .025 mm
10x
1 reticular unit =
.01 mm
40x
1 reticular unit-.0025 mm
4 points
A) Cell 1 on 10x=8 reticular units
B) Cell 2 on 40 x = 28 reticular units
mm
mm
Which one is actually larger?
Which one is probably the plant cell? Why?
Transcribed Image Text:L of Microscopes: 1. If you have a standard ocular lens of 10x what is the true magnification that you are looking at if you are using the 100x objective lens. What is the rule for focusing if you switch to the 40x lens? 2. Calculate the sizes of the following cells. Not all cells are viewed at 40x so use the following table to calculate the size of your cells. 4x 1 reticular unit = .025 mm 10x 1 reticular unit = .01 mm 40x 1 reticular unit-.0025 mm 4 points A) Cell 1 on 10x=8 reticular units B) Cell 2 on 40 x = 28 reticular units mm mm Which one is actually larger? Which one is probably the plant cell? Why?
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