Name _Student ID _ Score_
last first
I.
Matter Waves A beam of neutrons (rest mass 1.6751027 kg) of kinetic energy 7.541015 J strikes a target that contains a single slit. Assume that the slit is very small (subatomicsized) dimension in the hori
Name _Student ID _ Score_
last first
I. Unpolarized light of intensity 43.0 W/m2 passes through three ideal polarizers whose transmission axes are each rotated by a common angle with respect to the previous one, as shown. in 1. (4 pts) Which choice
Name _Student ID _ Score_
last first
I. Unpolarized light of intensity 48.0 W/m2 passes through three ideal polarizers whose transmission axes are each rotated by 22 with respect to the previous one, as shown. in 1. (4 pts) Which choice best represe
Physics 123 Autumn 2012
week
1
2
3
4
5
6
7
8
9
10
10
11
day
M
W
F
M
W
F
M
W
F
M
W
Th
F
M
W
F
M
W
Th
F
M
W
F
M
W
F
M
W
Th
F
M
W
Th
F
M
W
F

date
24Sep
26Sep
28Sep
1Oct
3Oct
5Oct
8Oct
10Oct
12Oct
15Oct
17Oct
18Oct
19Oct
22Oct
24Oct
26Oct
29
Name _Student ID _ Score_
last first
I.
Matter Waves A beam of neutrons (rest mass 1.6751027 kg) of kinetic energy 9.001016 J strikes a diffraction grating. Assume that the grating slits are very small (subatomicsized) dimension in the horizonta
Name _Student ID _ Score_
last first
I. A thin layer of oil (n = 1.47) floats on a thick slab of glass (n = 1.67) as shown. The oil varies in thickness from 0 to 400 nm. Sunlight from directly overhead strikes the oil layer, and an observer looking
PHYSICS 123 A,B
Winter 20ll
NAME:
Last
MIDTERM 1
Jan. 20th 2orl
,
I : Multiple
PART
First
STUDENT #
Choice  Each question
5 points
(' 1.1 The position of a mass on a spring is given by
x = l0 cm Cos (2n t/ (1.2 s). Where is the mass at t = 0.35 secs ?
y
PHYS 1?3A,8 Winter
MIDTERM
Feb.
20r
NAME:
1
Lasi
STUDENT#
2
loth zall
First
8. Whieh sf the following best describes the image for a thin
cgnyex lens tlrat form.s
whenever the obJect ie at a distance less than one focal tengtn iiom tne.l*nlf
q
a.
't.,
"
PHYS 123A,B Winter 20II
MIDTERM 3
Mar. 3'd 2olr
cfw_j
NAME:
First
Last
Student #
PART I Multiple Choice 
Each question is worth 5 points
A diffraction grating that has 4000 lines per cm is used to analyze the spectrum
of an element that has two close lin
LECTURE 4
Traveling Waves
WAVES, BARRIERS & DOPPLER
Instructor: ShihChieh Hsu
Wavelength, period, and speed
2
Wave
v=
= f
T
y ( x,t ) = Asin "# k ( x vt ) $% = Asin ( kx t )
Power, the time rate of energy transfer
P = v 2 A 2 cos2 ( kx t )
1
Pav = v 2 A
LECTURE 3
TRAVELING WAVES
Instructor: ShihChieh Hsu
Lecture 3
2
Reading chapter 151 to 152
Transverse
and longitudinal waves
Moving displacement of a wave pulse
Speed of waves
Harmonic waves
Waves on a Slinky
3
What is traveling on a Slinky?
If yo
Name_ Student ID_
Last
First
I) Lecture questions (14 questions)
1. (5 points) Two physical pendula are identical in every way except the mass of one is 9 times as
much as the other. Let T1 denote the oscillation period of the lighter pendulum, and T2 den
Name Student ID Score
Last First
1) Multiple choice (9 Lecture questions)
Use the scenario below for the next two questions.
A polarized monochromatic light with a wavelength of A in air is incident on a boundary of air
and a transparent medium with an in
Name_ Student ID_ Score_
Last
First
I) Lecture multiplechoice questions (12 questions, 5 points each)
1. Two
a. physical pendula are identical in every way except the mass of one is twice as much as the
other. Let T1 denote the oscillation period of the
Namee _
_
_
_Stuudent ID _ Score_
last
10. [4
4 pts.] In a speed of sound experiment a microphone is
pllaced in frontt of a speaker emitting a pu
ure (sine wavee)
to
one. The sign
nal from the microphone
m
iss displayed onn
an
n oscilloscopee. The top grr
Math 307
Midterm 1
Name:
April 20, 2015
Student ID:
This exam is closed book. you may use one 8.5 11 sheet of handwritten notes (both sides OK). Do
not share notes. No photocopied materials are allowed.
You may use a scientific calculator. Graphing calc
Math 307
Practice Final Exam
Name:
June 4, 2015
Student ID:
This exam is closed book. you may use one 8.5 11 sheet of handwritten notes (both sides OK). Do
not share notes. No photocopied materials are allowed.
You may use a scientific calculator. Graph
Name lg E > Student Number
Last > First MI
III. Written Answers 30 pts Show your work and/or explain your reasoning for full credit.
Lenses: A positive lens of focal length 15cm is placed 10cm in front of a negative lens of focal length
5 cm.
A) lOpts If
Name _ Student ID _
last
first
III.
Score_
[20 points total] This problem consists of three unrelated parts, A, B, and C.
A. [5 pts] Monochromatic light is incident on a slit of
width a. The rays on the diagram at right show the path
from two particular p
Name _ Student ID _ Score _
last
first
V.
[20 point total] This page consists of two unrelated parts, A and B.
A. A classical object moves back and forth forever on the frictionless
track at right composed of two horizontal levels. The object is able
to m
List of useful formulae for Phys 123, Exam 2, Winter 2017
Ch. 14
Hookes law for spring:
F = k x , k is spring constant
For a horizontal massspring system: E = mv2/2 + kx2/2 , E is total energy
Simple Harmonic Motion: x(t) = A cos ( t + )
Frequency f = 1/
Name _Student ID _ Score_
last
first
Part I. [43 Points] Please be sure to mark all answers for Multiple Choice problems on your scantron sheet!
A twoslit experiment is setup as shown to
First maxima (P)
the right. The point P, a bright spot, is the
firs
Name_ Student ID_ Score_
Last
First
I) Multiple choice (9 Lecture questions)
Use the scenario below for the next two questions.
A polarized monochromatic light with a wavelength of ! in air is incident on a boundary of air
and a transparent medium with an
Name _Student ID _ Score_
last
first
VI. [20 pts total] Note: In the diagrams representing interference pattern below, lines of maximum
constructive interference are represented by solid lines and nodal lines are represented by dashed lines.
In Experiment
Simple Harmonic Motion:
F kx
x(t ) A cos(t )
v (t ) A sin(t )
2
a(t ) A cos(t )
k
m
Energy:
1
U kx 2
2
1
U max kA2
2
1
K max m 2 A2
2
Pendulum:
Oscillatory Motion:
1
f
2f
T
Intensity:
P
A
P
I
point source
4r 2
I
g
l
Doppler Shift
u0
1
v f
f '
u
1 s
Name _Student ID _ Score_
last
I.
first
Lab Questions
The simplest lens is a pinhole. As shown in the
figure, a pinhole of diameter w is placed into a
very thin, opaque wall. Assume that w < H but
that w is still much greater than the wavelength of
optica
PHYS 123 Midterm 3 Spring 2014 Multiple Choice Solutions
1. This question depends on familiarity with how pinhole cameras work; light coming from
the top of an object can only pass through a pinhole if it is at an angle, and then will land
on the bottom o