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A magnifying glass has a focal length of 6.8 cm. What… | StemPy Lab
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A magnifying glass has a focal length of 6.8 cm. What is its magnifying power when the image is at the near point, 25 cm from the lens?
Physics
Medium
High School (11–12)
Optics
Created by
StemPy Lab
A magnifying glass has a focal length of
6.8
cm
6.8\ \text{cm}
6.8
cm
. What is its magnifying power when the image is at the near point,
25
cm
25\ \text{cm}
25
cm
from the lens?
3.68
3.68
3.68
4.68
4.68
4.68
5.68
5.68
5.68
31.8
31.8
31.8
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← A student looks at a stamp through a magnifying glass. She first holds the glass so that the image is at her near point, and then so that the image is at infinity. How do the two magnifying powers compare?
Which statement about the first image that the objective of a compound microscope forms is correct? →
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