Topics
Two things are needed for a wave.
Four types of waves.
Anatomy of a wave and wave characteristics.  (f, l, A, v, T)
Speed of sound in air
v = fl
Superposition
Nodes & Antinodes
Boundary conditions
Energy of a wave
y=Asin(2px/l)
v=(F/m)0.5
v=(B/r)0.5
 

Activities
Speed of sound activity

Slinky, spring, and wave machine activity

Ripple tank observations
 
 

Lab #1
Find the speed of a water wave by two methods.

Doppler Effect

v=331 m/s + (0.6 m/(sC))temp

Fundamental , overtones

Modes of vibration for a string
Modes of vibration for an open pipe
Modes of vibration for a closed pipe

Resonance

Beats

Music

Pitch and loudness
Decibel scale (dB)

Wave forms - quality and overtone structure

Physics AA
Ch. 13
Sound

Topics
Superposition
Fourier Analysis

Intensity = power / area
Inverse square law

v=  B/r  v=  1.4P/r

Human Ear

Fundamental , overtones
Music
Wave forms - quality and overtone structure

Decibel scale (dB)  b=10log(I/Io)

Beats

Nodes and Antinodes

Modes of vibration for a string
Modes of vibration for an open pipe
Modes of vibration for a closed pipe

Resonance, Natural frequency

Refraction, interference, diffraction

Doppler Effect fo/(v+vo)= fs/(v+vs)
 

Homework
Q-6,8,9  MC-6,7,10   P-2,5,6,7,14,24,39,40,46,47,52,59,60,71,72,73

Activities
Musical Instruments
Computer sound analysis

Lab #2:  Find the speed of sound.

Activities
 Musical Instruments
 Computer sound analysis
 
 
 
 
 

Lab #2
Find the speed of sound.

Spectrum of light

Speed of light c=

Galileo, Roemer, Michelson, Jupiter, California, Nobel Prize

Luminous, Illuminated

Inverse squared law

Transparent, Translucent, Opaque

Color- primary, secondary, complementary

Pigments- primary, secondary

Thin film interference

Polarized filters
 

Physics AA

Ch. 24 sections (24.10-24.16)
Spectrum
MC-8, 19
Problems-11-13

Ch. 25
Propagation of light

Topics
Rayleigh Scattering

Ia1/l4

Internal & External reflections

Law of reflection

Specular - Diffuse

Index of refraction n=c/v

n depends on l

Nanometers 10-9m

Snell’s Law

Total internal reflection   - (critical angle)

Object & Image Distance

Virtual & Real images

Colors-whiteness-blackness

Q 1, 10, 17
MC 1, 4, 6, 11, 12, 13, 15, 16
Problems 1, 9, 13, 15, 18, 25-30, 43, 49, 50
Ch. 26
Geometrical Optics and Instruments
Sections (26.1-26.7) No Mirrors

Topics
Lenses

OPL
Focal Point
convex
converging lenses
concave
diverging lenses
paraxial
thin lenses
object & image distance

Thin-Lens Equation Lensmaker’s Formula

Image & object focal point & length

positive & negative lenses

optical center
focal plane

Ray diagrams
Gaussian Lens Equation
Magnification

Human eye
Camera
f-number

lens combinations
 

Q 1-4 
Problems 2, 3, 5, 7, 15, 16, 21, 24
 
 

Lab #3:  Finding the focal length

Charging by conduction and induction

Conductor, semiconductor, insulator

electron = -1.6 x 10^-19 C
proton = +1.6 x 10^-19 C
-1 coulomb = 6.25 x 10¹⁸ electrons

F = K Q1 Q2  Coulomb’s Law
           d²

K = 9 x 10⁹ Nm²
                    C²

Finding the net force
 

Physics AA
Ch. 17 (sections 1-7)
Electrostatics

Topics
electroscope

charge separation

conduction & induction

conductors & insulators

F=k Q1 Q2/r2

coulombs

Field lines

E=kQ1/r2 (cause)

E=F/Q2 (effect)

Lightning Rod

Assignments:
DQ 1, 2, 12, 16  (pick any two)
MC 3, 4, 7-14, 16, 17
P 3, 4, 10, 15-17, 24, 25

Activities: Van de Graff generator
   electroscope
 

Ch. 19
Direct Current

Topics
q charge coulomb C

t time  seconds s

I current ampere A  (charge/time) 1 A = 1 C/s

V voltage volt  V  (energy/charge) 1 V = 1 J/C

R resistance ohm  W

W energy Joule  J

P power watt  W  (energy/time) 1 W = 1 J/s

I = q/t
V = IR (Ohm’s Law)
P = IV
W= Pt

R = rL
       A
rT = ro(1 + aT)
RT = Ro(1 + aT)

emf

kilowatt hour (kWh)

batteries

drift velocity

superconductivity

Assignments:
DQ 2, 5, 8, 15, 16 
MC 1, 7-11, 13-17 
P 1, 10, 13, 15, 17, 23, 30, 34, 50, 60
Lab #4  Ohm’s Law- Finding the resistance
Ch. 20
Circuits
Sections (1,2,4)

Topics
color codes

Schematic Diagrams

internal resistance

Series: IT = I1 = I2 = I3 ..... Parallel: IT = I1 + I2 + I3 .....
  VT = V1 + V2 + V3 .....   VT = V1 = V2 = V3 ..... 
  RT = R1 + R2 + R3 .....    1   =  1   +  1   +  1   .........
Fuses        RT      R1      R2     R3

Ammeters & Voltmeters

Assignments:
DQ 11-15
MC 1, 6, 9, 13, 18, 21
P 1, 7, 11-18, 23, 33

Magnetic Field lines (N-->S)

Fields are a force per something 
g=F/m , E=F/q  , B=F/Qv

tesla=T=    N     =     N 
                C(m/s)     A m 

Magnetic Flux

Right hand rule: (+), conventional current

Left hand rule: (-), electron flow

Magnetic Field around a straight wire

Magnetic Field around a coil

B = F/Qv  B = F/IDL

F = QvBsinq force on a moving charge

F = ILBsinq force on a current segment

Force between parallel wires.  (definition of the ampere)

Galvanometer - Voltmeter - Ammeter

Motor - Generator

Speaker - Microphone
 
 
 

Physics AA
Ch. 21
Magnetism

Topics

Fields are a force per something g=F/m E=F/q B=F/Qv

tesla=T=    N     =     N   
     C(m/s)     A m 

Right hand rule: (+), conventional current

Left hand rule: (-), electron flow

monopoles, curie temperature, meissner effect

B = F/Qv  B = F/IDL

F = Qv x B  F = IDL x B  cross product

F = QvBsin q  F = IDLBsin q

m0= 4p x 10 -7 Tm/A

Long straight wire B = m0I/2pr

Circular loop  B = m0I/2r

Solenoid   B = m0nI

Force between parallel wires.  (definition of the ampere)

t = NIABsinq

DC motors

Homework
Q 2, 4, 9, 15
MC 1-4, 15, 17, 18
P 1, 3, 6, 7, 12, 13, 14, 18, 20, 26, 37, 41, 46, 48, 49
Physics AA
Ch. 22
Electromagnetic Induction     (sections 1-9)

Topics

Magnetic flux F = B (cos f) A  weber (Wb) - unit of flux

Faraday’s law emf = -NDF/Dt  V=Wb/s

Len’s law

emf = BLv sin q 

DB ---> E

DE ---> B

Galvanometer

Voltmeter / Ammeter

Motors / Generator

Back Emf

Back Torque

Eddy currents

Homework
Q 13
MC 1, 6-9, 13
P 1, 2, 5, 7, 9, 13, 40

Activity
Make a DC motor.
Make an electromagnet.
 

Lab #5:   Find the number of turns in a solenoid.

Commands:
End, Print, Let, Input, Clear, Randomize, Rnd, Int, Round

Loops:
For/Next, Do/Loop

Conditions:
If/Then, Select Case

Graphics:
Set Window, Plot, Box, 
 

 Activity
 Various programs
 
 
 
 

Lab #5
No Lab for this section.