Questão 1
Questão
A pendulum is oscillating with amplitude 2cm and frequency 1.5Hz. Which of the following graphs correctly shows the displacement of the pendulum bob against time?
Questão 2
Questão
Which of the following quantities will decrease when an oscillating system undergoes damped oscillation?
Responda
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Speed
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Amplitude
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Frequency
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Wave length
Questão 3
Questão
Damping of an oscillating system is due to
Responda
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the system is losing energy to the surrounding.
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the system has been set up wrongly.
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the system is not oscillating in vacuum
Questão 4
Questão
A force oscillation is
Responda
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A system oscillates with maximum amplitude.
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A system oscillates with decreasing amplitude.
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A system oscillates with the help of an external force.
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A system oscillates without any external force act on it.
Questão 5
Questão
When an oscillating spring reaches resonance state, it
Responda
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Stop oscillates.
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Experiencing damped oscillation.
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Oscillates with maximum amplitude.
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Oscillates with higher frequency.
Questão 6
Questão
The natural frequency of a spring is f Herz. Resonance happens if the frequency of the external force that applied on it is
Questão 7
Questão
Five pendulums are hung at a wire PQ. The pendulum X is displaced and then released. Which of the other pendulum will oscillate with greatest amplitude?
Responda
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Pendulum A
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Pendulum B
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Pendulum C
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Pendulum D
Questão 8
Questão
A thin piece of glass is broken when a soprano is singing with a high pitch. This probably is caused by a physics phenomena called
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Diffraction
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Interference
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Damping
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Resonance
Questão 9
Questão
It is observed that a car will vibrate intensely at a particular speed. This is probably due to
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Inertia
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Resonance
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Damping
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Diffraction
Questão 10
Questão
A water wave is produced from a source of frequency 25 Hz. If the wavelength is 0.8 cm, what is the velocity of propagation of the water wave?
Questão 11
Questão
Which of the following quantities will cause the amplitude of a wave changes?
Responda
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Type of the wave
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Energy of the wave
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Wavelength of the wave
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Frequency of the wave
Questão 12
Questão
The wavelength of a propagating wave is not affected by
Questão 13
Questão
The figure above shows a transverse wave. The wavelength of the wave is equal to
Questão 14
Questão
The main difference between transverse wave and longitudinal wave is
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The wave pattern
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The direction of the vibration of the particles in the wave
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Transverse wave propagates faster than longitudinal wave.
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Transverse wave can travels in vacuum while longitudinal wave cannot
Questão 15
Questão
Which of the following waves is longitudinal wave?
Responda
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Microwave
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Light wave
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Sound wave
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Radio wave
Questão 16
Questão
The figure above shows the simulation of longitudinal wave by using a slinky spring. What is the wavelength of the longitudinal wave?
Questão 17
Questão
The figure above shows the simulation of transverse wave by using a slinky spring. What is the wavelength of the transverse wave?
Questão 18
Questão
Figure above shows the pattern of wavefronts produced by bob dipper at a frequency of 25Hz in a ripple tank. Find the speed of the wave.
Questão 19
Questão
In a ripple tank experiment, waves are produced at the RATE of 24 waves per second and the distance between 5 successive ripples is 20cm. The experiment is repeated by changing the frequency of the vibrator, and the new distance between 5 successive ripples is 12cm. What is the new frequency of the vibrator?
Questão 20
Questão
The end coil of a slinky spring is connected to a motor which is moving forward and backward at a frequency of 4Hz. Given that the distance between four successive rarefactions is 60cm. What is the speed of the speed of wave produced?
Responda
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2.4 ms-1
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0.8 ms-1
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2.5 ms-1
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1.0 ms-1
Questão 21
Questão
A sound wave of wavelength 4mm travels in air at a frequency of 6.0 × 104 Hz. Find the time take by the wave to travel 60m