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WorksheetsChap 07 - Oscillations
Total questions: 36
Worksheet time: 18mins
If a pendulum has a frequency of 0.54 c/s then its time period will be
1/2 second.
1 second.
1.85 second.
2 seconds
It is said that one day while Ustad Amanat Ali Khan, one of our famous vocalists, was singing, a glass of water cracked. This happened because of
amplitude.
force.
resonance.
vibration.
In a simple harmonic motion, the acceleration of the body at any instant is directly proportional to
amplitude.
displacement.
applied force.
mean position.
The time period of a simple pendulum is independent of
acceleration due to gravity.
length of pendulum.
mass suspended
the angle
The process in which energy is dissipated from an oscillating system is known as
phase.
damping.
resonance.
simple harmonic motion.
The potential energy of a simple pendulum at its mean position
is zero.
is maximum.
is equal to one.
remains constant.
If the time period of a simple pendulum is
21
2π
2
2π
A performing SHM has maximum acceleration when it is at
mean position.
extreme position.
half of extreme position.
one third of extreme position.
A body executes simple harmonic motion with an amplitude 'a'. Which of the following graphs represents the variation of velocity 'v' with displacement?
A horizontal mass spring system performs SHM with amplitude of 0.06 m and angular frequency of 14 rad/s. Its instantaneous velocity at a point 0.02 m from its mean position will be
0.79 m/s.
0.89 m/s.
2.79 m/s.
3.79 m/s.
While crossing a suspension bridge, soldiers are ordered to break their marching step to avoid
Doppler's effect.
Interference.
Resonance.
Beats
Time period T of a simple pendulum is independent of
mass.
force.
length.
acceleration due to gravity.
The phenomena of resonance is helpful for determining
forced vibration.
natural vibration.
energy distribution.
amplitude of vibrating body.
All of the following are examples of resonance EXCEPT
tuning a radio.
swinging a pendulum.
producing echo in a mountain range.
heating and cooking of food in a microwave oven.
All of the following are examples of forced oscillations EXCEPT
loud music.
running of heavy machinery.
marching of soldiers on a bridge.
mass of vibrating pendulum striking repeatedly with a wall
In given figure, the magnitude of an instantaneous velocity is the greatest at
Q only.
O only.
P only.
both P and Q.
The given figure shows kinetic, potential and total energies for a SHM.
Which of the following options is TRUE about the position O?
Kinetic energy maximum and potential energy minimum
Kinetic energy maximum and potential energy maximum
Kinetic energy minimum and potential energy minimum
Kinetic energy minimum and potential energy maximum
In the given diagram, the motion of a simple pendulum is shown. If the time taken by the bob of the pendulum from the position A to B is 0.5 s, then the time period will be
0.5 s
1.0 s
2.0 s
2.5 s
The given figure shows a simple pendulum executing SHM.
The restoring force in the given simple pendulum is equal to
−mgθ
−mg
mgθ
mg
The given graph shows the position as a function of time for a particle performing SHM. Whereas, the initial position of the particle is its maximum positive displacement.
Which phenomenon occurs when the frequency of free oscillation matches the frequency of forced oscillations?
Beats
Resonance
Free oscillation
Forced oscillation
Which of the following options could represent the time period of the wave?
A
B
C
D
The above graph shows the response of forced oscillations of a pendulum in air. What will be the response of its forced oscillations in a vacuum?
A mass (m) oscillates with SHM about its mean position.
In the given figure, the potential energy of the body is the maximum at point(s)
3 only.
2 only.
1 and 3.
2 and 3.
Which of the following options represents heavy damping?
A
B
C
D
The shock absorbers in a car help in smooth driving through
free oscillations.
force oscillations.
damped oscillations.
sustained oscillations.
Which of the following phenomena is represented by the given graph?
Beat
Damping
Resonance
Free oscillation
What effect occurs on amplitude and resonance of oscillations if damping is small?
A
B
C
D
If a pendulum has a frequency of 0.5 Hz, then its time period will be
0.5 s
1 s
1.5 s
2 s
The shock absorber of a truck suspension is designed to increase the amount of
damping.
resonance.
free vibration.
forced vibration.
Which of the following graphs indicates the variation in kinetic energy of a particle executing SHM?
A
B
C
D
When a simple pendulum is slightly displaced from its mean position, then it moves with
free frequency.
forced frequency.
critical frequency.
natural frequency.
When a body executes free vibrations without any interference of an external force then the frequency of these vibrations is known as
force frequency.
natural frequency.
critical frequency.
original frequency.
Which phenomenon occurs when the frequency of free oscillation matches the frequency of forced oscillations?
Beats.
Resonance.
Free oscillations.
Forced oscillations.
If a body is executing SHM, then the total energy of the body is directly proportional to the
amplitude.
square of the amplitude.
reciprocal of the amplitude.
square root of the amplitude
Which of the following would undergo highly damped oscillation?
Prongs of a tuning fork.
Shock absorber of a car.
Bob of a simple pendulum.
Vibrating wire of a sonometer.
