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Class 11
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Physics
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Oscillations
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Fundamentals of Oscillations and Periodic Motion
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Introduction to Oscillation Part II
Introduction to Oscillation Part II
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Important Questions
The displacement of a particle along the x-axis is given by
x
=
a
sin
2
ω
t
. The motion of the particle corresponds to.
Medium
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>
Which of the following equation does not represent a simple harmonic motion:
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>
Two identical springs of spring constant K are attached to a block of mass m and to fixed supports as shown in Fig. Shown that when the mass is displaced from its equilibrium position on either side, it executes a simple harmonic motion. Find the period of oscillations.
Hard
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>
The displacement of a particle is represented by the equation
y
=
s
i
n
3
(
ω
t
)
. The motion is
Medium
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>
A particle is executing
S
H
M
about
y
=
0
along
y
−
axis. Its position at an instant is given by
y
(
m
)
=
5
(
s
i
n
3
π
t
+
3
c
o
s
3
π
t
)
.
The amplitude of oscillation is
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>
A particle executing SHM has a maximum speed of
3
0
c
m
s
−
1
and a maximum acceleration of
6
0
c
m
s
−
2
. The period of oscillation is:
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>
A uniform thin ring of radius
R
and mass
m
suspended in a vertical plane from a point in its circumference its time period of oscillation is
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>
A block of mass
m
containing a net positive charges
q
is placed on a smooth horizontal table which terminates in a ventricles wall as shown in figure
(
2
9
.
E
2
)
. The distance of the block from the wall is
d
. A horizontal electric field
E
towards right is switched on. Assuming elastic collisions
(
if any
)
find the time periods of the resulting oscillatory motion. Is it a simple harmonic motion?
Medium
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>
A vertical spring stretches
3
.
9
c
m
when a
1
0
−
g
object is hung from it. The object is replaced with a block of mass
2
5
g
that oscillates up and down in simple harmonic motion. Calculate the period of motion.
Medium
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>
If the displacement, velocity and acceleration of particle in
S
H
M
are
1
c
m
,
1
c
m
/
s
e
c
and
1
c
m
/
s
e
c
2
respectively its time period (in secs) will be:
Medium
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>