Purpose
In this experiment we shall observe images formed by various lenses and lens combinations,
determine focal lengths of the lenses and lens combinations, determine transverse magnification, and
construct a simple telescope.
Brief Theory
We can relat
Physics 133 . Name: IA'BY 5? /7
1. Two charges of 15 pC and 40 pC are inside a cube with sides that are of 0.40-m length. Determine
PD the net electric flux through the surface of the cube.
. a. +2.8 N . nit/C b.1.1N-mz/C c. +1.1 N . mZ/C @2.3 N - mz/C (3
Physics 133 QUIZ Name: a
1. Determine the equivalent capacitance of the combination shown when C = 12 pF.
a. 43 pF b. 12 pF c. 24 pF @3 s pF e. 59 pF
2. The circuit below contains three 100 watt light bulbs. The emf l. = 110 V. Which
light bulb(s) is(are)
Physics 133
Homework Solutions
Chapter 21
Spring 2017
4. The unit ampere is discussed in Section 21-4. Using i for current, the charge
transferred is
q = it = ( 2.5 104 A )( 20 106 s ) = 0.50 C.
5. The magnitude of the mutual force of attractio
Physics 133
Homework Solutions
Chapter 26
Spring 2017
1. (a) The charge that passes through any cross section is the product of the current
and time. Since t = 4.0 min = (4.0 min)(60 s/min) = 240 s,
q = it = (5.0 A)(240 s) = 1.2 103 C.
(b) The n
Physics 133
Homework Solutions Chapter 22c Spring 2017
4. With x1 = 6.00 cm and x2 = 21.00 cm, the point midway between the two charges is
located at x = 13.5 cm. The values of the charge are
q1 = q2 = 2.00 107 C,
and the magnitudes and direction
Physics 133 first day questionnaire
Name:_
During a thunderstorm with lightning you are in the middle of a flat field. Would it be
better to?
a.
b.
c.
d.
lie down flat on the ground
squat down with both feet close together
run for the nearest cover ( a lo
Physics 133 Homework Solutions Chapter 24
1. (a) An ampere is a coulomb per second, so
84 A- h = (84)(3600%) = 3.0 ><105 C
S 7-
03) The change in potential energy is AU = qAV= (3.0 x 105 C) (12 V] = 3.6 x 106 I.
4. [a] E = F/e = (3.9x1045 N)/(1.60x10-l9 c
F3
ICE C7 6' Im (1
Physics 133 Quiz Sp 17 Name: 1
1. Two wires made of the same material have the same length but different diameter. They are
connected in parallel to a battery. The quantity that is NOT the same for the wires is:
A) the end-to-end potent
Physics 133
Homework Solutions
Chapter 25
Spring 2017
1. (a) The capacitance of the system is
C=
q
70 pC
=
= 35
. pF.
V
20 V
(b) The capacitance is independent of q; it is still 3.5 pF.
(c) The potential difference becomes
V =
q 200 pC
=
= 5
Exam
Name_
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic
force of magnitude F
Exam
Name_
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. Half way between the two
plates the electric
Sevak Hakobyan
Conclusion:
In this experiment, we investigated simple harmonic motion by using spring-mass
system. We found k value which is the spring constant by using two different methods. In the
first method, we hanged mass from the spring and measur
wavelength vs. inverse frequency
35
30
25
f(x) = 25437.19x - 48.53
20
wavelength (cm)
15
10
5
0
0
0
0
0
0
0
0
inverse frequency (s)
Questions:
#1. If the room temperature decreases, the wavelength would be shorter because velocity of sound
v
would be smal
Sevak Hakobyan
Conclusion: In this experiment, we observed resonant standing waves on vibrating string and
determined the frequency of the vibrating string. To find the frequency, we experimentally
measured tension and resonant wavelengths, then plugged i
Sevak Hakobyan
Conclusion:
In this experiment, we determined to coefficient of linear expansion for copper, stainless
steel, aluminum. We used boiler to heat up tubes, expansion apparatus to measure the distance
increased, and digital multimeter to measur
Sevak Hakobyan
Conclusion:
In this experiment, my partner and I found specific gravities of aluminum block,
aluminum cylinder, rock, and cork, using the Archimedes Principle. For part A, to find the
specific gravities of substances, we calculated the rati
California State Polytechnic
University, Pomona
Experiment 3
Standing Waves on a String
PHY 132L
Jaime Lopez II
Partner: Richard Selva
Professor: Joseph Rhee
April 19, 2017
Purpose
The purpose of this experiment was to set up and observe resonant standing
91'5
With (J = 3.0 ,ucm, m = 0.06 m, and r1= 0.04 m, we obtain 9 = 0.038 pC = 3.3 x 10.3 C.
22. (a) We note that cos(30) =21, 3 , so that the dashed line distance in the gure is
r=2le. The net force on g] due to the two charges :33 and Q4 (with |q3| = |q4