Exam
Name___________________________________
MULTIPLE
CHOICE.
Choose
the
one
alternative
that
best
completes
the
statement
or
answers
the
question.
1) A
transverse
wave
is
propagated
in
a
string
stretched
along
the
x

axis.
The
equation
of
the
wave,
in
SI
units,
is
given
by:
y
=
0.001
cos
π
(47
t

17
x
).
The
amplitude
of
the
wave,
in
SI
units,
is
closest
to:
A) 0.001
x
17
π
B) 0.001
π
C) 0.001
D) 0.001
π
/17
E) 0.001
x
17
1)
2) A
transverse
wave
is
propagated
in
a
string
stretched
along
the
x

axis.
The
equation
of
the
wave,
in
SI
units,
is
given
by:
y
=
0.006
cos
π
(46
t

12
x
).
The
frequency
of
the
wave,
in
SI
units,
is
closest
to:
2)
3) A
transverse
wave
is
propagated
in
a
string
stretched
along
the
x

axis.
The
equation
of
the
wave,
in
SI
units,
is
given
by:
y
=
0.005
cos
π
(38
t

14
x
).
The
wave
speed,
including
the
sense
of
direction
along
the
x

axis,
in
SI
units,
is
closest
to:
3)
4) A
transverse
wave
is
propagated
in
a
string
stretched
along
the
x

axis.
The
equation
of
the
wave,
in
SI
units,
is
given
by:
y
=
0.006
cos
π
(22
t

16
x
).
The
propagation
constant
of
the
wave,
in
SI
units,
is
closest
to:
4)
5) A
transverse
wave
is
propagated
in
a
string
stretched
along
the
x

axis.
The
equation
of
the
wave,
in
SI
units,
is
given
by:
y
=
0.002
cos
π
(52
t

15
x
).
The
maximum
velocity
of
a
particle
on
the
string,
in
SI
units,
is
closest
to:
A) 0.64
B) 0.53
C) 0.43
D) 0.33
E) 0.74
5)
6) A
string,
90
cm
long
and
having
a
mass
of
93
g,
is
attached
to
a
730

Hz
vibrator
at
one
end.
The
other
end
of
the
string
is
fixed
and
the
string
is
kept
under
tension.
The
vibrator
produces
a
transverse
wave
in
the
string,
whose
amplitude
is
3.0
mm,
and
that
propagates
with
a
velocity
of
76
m/s.
The
energy
of
the
wave
is
absorbed
at
the
fixed
end.
In
this
situation,
the
propagation
constant
of
the
wave,
in
SI
units,
is
closest
to:
6)
7) A
string,
80
cm
long
and
having
a
mass
of
61
g,
is
attached
to
a
660

Hz
vibrator
at
one
end.
The
other
end
of
the
string
is
fixed
and
the
string
is
kept
under
tension.
The
vibrator
produces
a
transverse
wave
in
the
string,
whose
amplitude
is
5.0
mm,
and
that
propagates
with
a
velocity
of
32
m/s.
The
energy
of
the
wave
is
absorbed
at
the
fixed
end.
In
this
situation,
the
tension
in
the
string,
in
SI
units,
is
closest
to:
7)
1
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8) A
string,
30
cm
long
and
having
a
mass
of
14
g,
is
attached
to
a
750

Hz
vibrator
at
one
end.
The
other
end
of
the
string
is
fixed
and
the
string
is
kept
under
tension.
The
vibrator
produces
a
transverse
wave
in
the
string,
whose
amplitude
is
8.0
mm,
and
that
propagates
with
a
velocity
of
54
m/s.
The
energy
of
the
wave
is
absorbed
at
the
fixed
end.
In
this
situation,
the
maximum
transverse
velocity,
of
a
point
on
the
string,
in
SI
units,
is
closest
to:
8)
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 Spring '11
 groisman
 Standing wave, 1.20 m/s, 0.86 m/s, 5.56 m/s

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