Worksheet
Thin Lens Equation #1: Converging Lenses
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Directions:
Work these problems on notebook paper, boxing in your answers. Although polished rays diagrams are not required, sketches for each situation are recommended. Once all four problems are completed, make sure that your paper is signed and dated.
Some resources that you might find useful are:
resource lesson
on converging lenses
resource lesson
on the thin lens equation
resource lesson
on converging lens examples
physlet
on converging lenses
Refer to the following information for the next six questions.
A converging lens has a focal length of 20 cm.
If it is placed 50 cm from an object, how far from the lens will the image be formed?
Which
case
is this?
Case #1: object is located at infinity.
Case #2: object is located in region I.
Case #3: object is located on the line between regions I and II, exactly two focal lengths in front of the lens.
Case #4: object is located in region II.
Case #5: object is located on the line between regions II and III, exactly one focal length in front of the lens.
Case #6: object is located in region III.
Is it real or virtual?
real
virtual
Is it upright or inverted?
upright
inverted
What is the magnification?
Based on your magnification, is the image enlarged, reduced, or the same size as the object?
enlarged
reduced
the same size
Refer to the following information for the next six questions.
An object is placed 10 cm from a converging lens of focal length 5 cm.
How far from the lens will the image be formed?
Which
case
is this?
Case #1: object is located at infinity.
Case #2: object is located in region I.
Case #3: object is located on the line between regions I and II, exactly two focal lengths in front of the lens.
Case #4: object is located in region II.
Case #5: object is located on the line between regions II and III, exactly one focal length in front of the lens.
Case #6: object is located in region III.
Is it real or virtual?
real
virtual
Is it upright or inverted?
upright
inverted
What is the magnification?
Based on your magnification, is the image enlarged, reduced, or the same size as the object?
enlarged
reduced
the same size
Refer to the following information for the next six questions.
An object placed 30 cm from a converging lens forms a real image 60 cm from the lens.
What is the focal length of the lens?
Which
case
is this?
Case #1: object is located at infinity.
Case #2: object is located in region I.
Case #3: object is located on the line between regions I and II, exactly two focal lengths in front of the lens.
Case #4: object is located in region II.
Case #5: object is located on the line between regions II and III, exactly one focal length in front of the lens.
Case #6: object is located in region III.
Is it upright or inverted?
upright
inverted
What is the magnification?
Based on your magnification, is the image enlarged, reduced, or the same size as the object?
enlarged
reduced
the same size
If the object is 5 cm tall, how tall is the image?
Refer to the following information for the next six questions.
When a 5.0 cm tall object is placed 12 cm from a converging lens, an image is produced on the same side of the lens as the object, but 60 cm away from the lens.
What is the focal length of the lens?
Which
case
is this?
Case #1: object is located at infinity.
Case #2: object is located in region I.
Case #3: object is located on the line between regions I and II, exactly two focal lengths in front of the lens.
Case #4: object is located in region II.
Case #5: object is located on the line between regions II and III, exactly one focal length in front of the lens.
Case #6: object is located in region III.
Is it real or virtual?
real
virtual
Is it upright or inverted?
upright
inverted
What is the magnification?
How tall is the image?
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Ray Diagrams for Diverging Mirrors
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Resource Lesson:
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A Derivation of Snell's Law
RL -
Converging Lens Examples
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Converging Lenses
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Demonstration: Infinite Images
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Demonstration: Real Images
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Demonstration: Virtual Images
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Dispersion
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Diverging Lenses
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Double Lens Systems
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Lensmaker Equation
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Mirror Equation
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Properties of Plane Mirrors
RL -
Refraction of Light
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Refraction Phenomena
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Snell's Law
RL -
Snell's Law: Derivation
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Spherical Mirrors
RL -
Thin Lens Equation
Review:
REV -
Drill: Reflection and Mirrors
REV -
Mirror Properties
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Physics I Honors: 2nd 9-week notebook
REV -
Physics I: 2nd 9-week notebook
REV -
Spherical Lens Properties
Worksheet:
APP -
Enlightened
APP -
Reflections
APP -
The Librarian
APP -
The Starlet
CP -
Lenses
CP -
Plane Mirror Reflections
CP -
Refraction of Light
CP -
Snell's Law
CP -
Snell's Law
NT -
Image Distances
NT -
Laser Fishing
NT -
Mirror Height
NT -
Mirror Length
NT -
Reflection
NT -
Underwater Vision
WS -
An Extension of Snell's Law
WS -
Basic Principles of Refraction
WS -
Converging Lens Vocabulary
WS -
Diverging Lens Vocabulary
WS -
Lensmaker Equation
WS -
Plane Mirror Reflections
WS -
Refraction and Critical Angles
WS -
Refraction Phenomena
WS -
Refraction Through a Circular Disk
WS -
Refraction Through a Glass Plate
WS -
Refraction Through a Triangle
WS -
Snell's Law Calculations
WS -
Spherical Mirror Equation #1
WS -
Spherical Mirror Equation #2
WS -
Spherical Mirrors: Image Patterns
WS -
Thin Lens Equation #2: Converging Lenses
WS -
Thin Lens Equation #3: Both Types
WS -
Thin Lens Equation #4: Both Types
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Two-Lens Worksheet
WS -
Two-Mirror Worksheet
TB -
27B: Properties of Light and Refraction
TB -
Refraction Phenomena Reading Questions
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