10. THE PROPAGATION OF LIGHT
1. Water has an index of refraction of 1.333. What is
the speed of light through it? (c = 3.00 108 m/s)
a. 4.00 108 m/s
c. 4.46 108 m/s
b. 2.25 108 m/s
d. 1.46 108 m/s
2. A ray of light strikes a thick sheet of glass (n =
1.5)
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(c) At the maximum height,
ms, and ms , the time at w
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Assume the gravitational acceleration ms .
Present yo
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enclose the given cube.
Particularly, let us make a Gau
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(
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If your a
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Assume the gravitational acceleration ms .
Present yo
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where for first minima. So, the slit separation is
m
sin
sin
m
m
nm
and write your solutions within the sp
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d)
Problem 1. (20 points)
a) (5 points) The speed of a wave traveling through a string is a
function of the mass density (mass/length) and the tension . Using
the dimensional
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2. Use only the set of given parameters for non-numeric
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Problem 2-A. (20 points) In Figure 2, a string tied to
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2. Describe your answers using the set of given
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Here, note that , , and . Since the string is
and write your solutions within the space provided.
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non-stret
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Assume the gravitational acceleration ms .
Present
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T
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(c) From the result in (a), the radius for the
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Problem 1. (20 points) In the arrangement shown in Fig. 1, the mass of
the uniform solid cylinder of radius is equal to and the masses
of two bodies are equal to and . The mom
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Problem 1. (20 points) A mass of kg, located m above the
horizontal as shown in figure, starts from rest and slides down a plane
inclined at . Both the inclined plane and the
04 CURRENT RESISTANCE
1. A metallic conductor has a resistivity of 18 106
m. What is the resistance of a piece that is 30 m
long and has a uniform cross sectional area of 3.0
106 m2?
a. 0.056
c. 160
b. 180
d. 90
2. If a metallic wire of cross section
07 ELECTROMAGNETIC INDUCTUONS
1. The current in a coil with a self-inductance of 1.5
mH increases from 0 to 1.0 A in a tenth of a
second. What is the induced emf in the coil?
a. 15 mV
c. 0.10 V
b. 30 mV
d. 0.30 V
2. What is the stored energy in a 0.50-mH
05 DIRECT CURRENT CIRCUIT
1. Three resistors connected in parallel have
individual values of 4.0, 6.0 and 10.0 ,
respectively. If this combination is connected in
series with a 12-V battery and a 2.0- resistor,
what is the current in the 10- resistor?
a.
Electrostatics Electric field and Gausss Law, Due date: 27h of Sept. 1:00PM
1.
If a = 3.0 mm, b = 4.0 mm, Q1 = 60 nC, Q2 = 80 nC, and q = 24 nC in
what is the magnitude of the total electric force on q?
a.
d.
2.
1.6 N
1.9 N
0.040 N
b.
d.
1.3 N
2.2 N
69 N
08. ALTERNATING CURRENT
1. The frequency in an AC series circuit is doubled.
By what factor does this change the capacitive
reactance?
a. 1/2
c. 2
b. 1/4
d. 4
2. What is the effective (rms) current value for an
AC current with an amplitude of 10 A?
a. 28
THERMODYNAMICS, DUE DATE : 20TH OF SEPT. 1:00PM,
! Make sure the numbers of significant figures correct in your answers!
1. A surveyor's 30-m steel tape is correct at 68F. On a hot day
the tape has expanded to 30.01 m. On that day, the tape
indicates a di
09. EM WAVES
1. In order of increasing frequency, which of the
following is correct?
a. visible, radio, ultraviolet and x-ray
b. infrared, visible, ultraviolet and gamma
c. visible, gamma, ultraviolet and x-ray
d. infrared, x-ray, visible and gamma
2. The
03 ELECTRIC POTENTIAL CAPACITOR
1. An electron (charge 1.6 1019 C) moves on a
path perpendicular to the direction of a uniform
electric field of strength 3.0 N/C. How much work
is done on the electron as it moves 15 cm?
a. 4.8 1020 J
c. 1.6 1020 J
b. 4.8
6. MAGNETIC FIELDS
1.
A 2.0-m wire segment carrying a current of 0.60 A
oriented parallel to a uniform magnetic field of 0.50
T experiences a force of what magnitude?
a. 6.7 N
c. 0.15 N
2.
7.
b. 0.30 N
d. zero
Two parallel conductors each of 0.50 m length