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PHYS 1CPROBLEM SESSION

COURSE INSTRUCTOR: DR. FRANK WUERTHWEIN

We’ll start at 7:00Week 6

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Check Your Grades Online

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http://www.t2.ucsd.edu/twiki2/bin/view/UCSDTier2/Physics1CSpring2014

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Problem Solving Plan

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Week 5 (April 29th)

Week 6 (May 6th)

Week 7 (May 13th)

Ch 27 - Diffraction of X-rays

Ch 24 - Everything

Ch 25 - Everything

Practice Questions Part I

Ch 26 – Everything

Practice Questions Part II

Ch 28 - Photoelectric Effect

RefractionRefraction

Total Internal

Reflection

Dispersion and

Prisms

Practice Questions

Part I

• Terminology

• Bending of light at interfaces

• Snell’s Law -- 𝒏𝟏𝒔𝒊𝒏𝜽𝟏 = 𝒏𝟐𝒔𝒊𝒏𝜽𝟐

• A small proof (1CL PreLab Q)

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Ch25

Question 12

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• (C)

Ch25

Question 11

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• .........

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Total Internal Reflection• From higher n (slower speed) to

lower n (faster speed)

• Critical angle -- when θrefraction = 90°

in Snell’s Law

• The refraction index of water = 1.33

(if not specified) 7

Refraction

Total Internal

Reflection

Dispersion and

Prisms

Practice Questions

Part I

Ch25

Question 7

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• (b)

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Ch25

Question 6

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• (i) a (ii) c

……

Ch25

Question 1

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• (b)

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Total Internal Reflection

• Ex. What does a diver see?

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Refraction

Total Internal

Reflection

Dispersion and

Prisms

Practice Questions

Part I

Total Internal Reflection

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Dispersion & Prisms

• Lights with different λ have different

n in the same medium

• Snell’s Law

• Angle of Dispersion

• Purely math and geometry!

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Refraction

Total Internal

Reflection

Dispersion and

Prisms

Practice Questions

Part I

Ch25

Question 14

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• C

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Ch25

Question 8

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• A

Practice QuestionsPart I

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• Draw Something

• The Unit of Angles (degrees)

Refraction

Total Internal

Reflection

Dispersion and

Prisms

Practice Questions

Part I

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Part I

Practice Questions

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• B)

Part I

Practice Questions

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• B)

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Part I

Practice Questions

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• D)

Part I

Practice Questions

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• A)

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Part I

Practice Questions

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• B)

Part I

Practice Questions

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• C)

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Part I

Practice Questions

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• B)

Part I

Practice Questions

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• D)

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Part I

Practice Questions

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• A)

Part I

Practice Questions

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• D)

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Part I

Practice Questions

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• D)

Part I

Practice Questions

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• B)

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Part I

Practice Questions

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• B)

Part I

Practice Questions

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• C)

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Part I

Practice Questions

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• D)

Part I

Practice Questions

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• D)

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Part I

Practice Questions

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• A)

Part I

Practice Questions

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• A)

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Part I

Practice Questions

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• A)

See you next week!

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