# Unit 14
Packet

Regular Physics
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To optimize
your use of this resource, click on the links for individual
questions in your unit packet. The link will bring you to
online help related to that question. Carefully read the
resource material and procede to answer the questions in your
unit packet. Answers and complete solutions to the
Supplementary
Challenges section can also be
reviewed.

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**

**Objective 1**

What? Change Direction and Speed? Lab

Refraction of Light

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**Objective 2**

Least Time Principle Lab

Snell's Law

Index of Refraction Lab

Index of Refraction

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**Objective 4**

Total Internal Reflection

Critical Angles

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**Objective 5**

Lenses

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**Objective 6**

Ray Diagrams - Converging Lenses

Ray Diagrams - Diverging Lenses

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**Objective 8**

Optical Instruments

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**
**

What? Change Direction and Speed? Lab (pp.
1-2)

The Broken Pencil
The Marching Soldiers

The Tractor-Light
Analogy

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**

Refraction of Light (pp. 3-4)

#1 Definition of
Refraction
#2 Angles of Incidence and
Refraction

#3 Boundary Behavior

#4 The Secret of the Archer
Fish

#5 Optical Density and
Speed

#6 - #8 Direction of
Bending

**
**

Least Time Principle Lab (pp.
5-6)

Wave Speed and
Refraction
Wave Speed and Direction of
Bending

Mathematical Relationships
for Refraction

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**Snell's Law (pp. 7-8)**

#1 Snell's Law
Ray
Tracing and Problem-Solving

#2 Direction of
Bending

#3 Direction of
Bending

#4 Direction of Bending and
the Angle of Refraction

#5 Determination of n
Values

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**Index of Refraction Lab (pp.
9-12)**

Measuring Angles of
Incidence and Refraction
Snell's Law

Determination of n
Values

**
**

Index of Refraction (pp.
13-14)

#1 Determination of n
Values
#2 Determination of n
Values

#3 Ray
Tracing and Problem-Solving

#4 Ray
Tracing and Problem-Solving

**
**

Total Internal Reflection (pp.
15-16)

#1 - #4 Refraction and
the Direction of Bending
#5 - #7 Varying Intensities
of the Refracted and Reflected Rays

#8 - #9 Conditions for Total
Internal Reflection

#10 - #11 Critical Angle
Definition

#12 Conditions for Total
Internal Reflection

#13 Critical Angle
Calculation

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**

Critical Angle (pp. 17-18)

#1 Direction of Bending
and the Angle of Refraction
#2 Derivation of Critical
Angle Equation

#3 Critical Angle
Calculation

#4 Critical Angle Definition
and Total Internal Reflection

#5 Snell's Law and
Total Internal
Reflection

#6 - #7 Critical Angle
Calculation

#8 Critical Angle
Calculation and The Law of
Reflection

#9 The Sparkle of
Diamonds

#10 The Secret of the Archer
Fish

Critical Angle and Total
Internal Reflection

The Law of
Reflection

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**Lenses (pp. 19-20)**

#1 and #2 Converging vs.
Diverging Lens
#3 amd #4
Refraction by Lenses

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Ray Diagrams - Converging **Lenses (pp.
21-22)**

Ray
Diagrams for Converging Lenses
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Ray Diagrams - Diverging **Lenses (pp.
23)**

Ray
Diagrams for Diverging Lenses
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**

Optical Instruments (pp.
25-26)

#1
The Anatomy of the Eye
#2 Ciliary Muscles

#3 Hyperopia and
Myopia

#4 and #5 Myopia - Nature of
Problem and its Correction

#6 and #7 Hyperopia - Nature
of Problem and its Correction

#8 Astigmatism

#9 Binoculars vs.
Telescopes

#10 and #11 Ray Diagram for Microscope

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**
**

See answers and accompanying solutions to all odd-numbered
problems.

Additional resources for physics students are available through links
on the GBS
Physics Home Page. Such resources include the Multimedia
Physics Studios , a collection of animations and movies which
illustrate key physics concepts and the Shockwave
Physics Studios, a collection of interactive Shockwave
exercises.

This page created by Tom
Henderson of Glenbrook
South High School.
Comments and suggestions can be sent by e-mail to Tom
Henderson.

This page last updated on 8/24/98.