
Concept explainers
(a)
The image distance, whether the image is real or virtual, its orientation and relative size.
(a)

Answer to Problem 73P
The object distance is
Explanation of Solution
The focal length of the lens is
Write the thin lens equation
Here,
Rearrange for
Write the equation for transverse magnification
Here,
If
For the object distance of
Substitute
Substitute
Thus, the image distance is
For the object distance of
Substitute
Substitute
Thus, the image distance is
For the object distance of
Substitute
Substitute
Thus, the image distance is
For the object distance of
Substitute
Substitute
Thus, the image distance is
The results are summarized in the table:
Real or Virtual | Orientation | Relative size | |||
virtual | upright | enlarged | |||
real | inverted | enlarged | |||
real | inverted | same | |||
real | inverted | diminished |
(b)
The image height for different object distance.
(b)

Answer to Problem 73P
The image height for
Explanation of Solution
The image height is
Write the equation for transverse magnification
Here,
Rearrange for
For the object distance of
Substitute
For the object distance of
Substitute
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Chapter 23 Solutions
Physics
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