3287601
Descripción
Test por Izatul Husna, actualizado hace más de 1 año
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Creado por Izatul Husna
hace alrededor de 9 años
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Pregunta 1
Pregunta
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?
Respuesta
Pregunta 2
Pregunta
Which of the following quantities will decrease when an oscillating system undergoes damped oscillation?
Respuesta
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Speed
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Amplitude
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Frequency
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Wave length
Pregunta 3
Pregunta
Damping of an oscillating system is due to
Respuesta
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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
Pregunta 4
Pregunta
A force oscillation is
Respuesta
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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.
Pregunta 5
Pregunta
When an oscillating spring reaches resonance state, it
Respuesta
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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.
Pregunta 6
Pregunta
The natural frequency of a spring is f Herz. Resonance happens if the frequency of the external force that applied on it is
Respuesta
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0.5f Hz
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f Hz
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2f Hz
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4f Hz
Pregunta 7
Pregunta
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?
Respuesta
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Pendulum A
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Pendulum B
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Pendulum C
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Pendulum D
Pregunta 8
Pregunta
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
Respuesta
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Diffraction
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Interference
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Damping
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Resonance
Pregunta 9
Pregunta
It is observed that a car will vibrate intensely at a particular speed. This is probably due to
Respuesta
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Inertia
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Resonance
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Damping
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Diffraction
Pregunta 10
Pregunta
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?
Respuesta
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0.2m
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20m
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31.25m
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3.125m
Pregunta 11
Pregunta
Which of the following quantities will cause the amplitude of a wave changes?
Respuesta
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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
Pregunta 12
Pregunta
The wavelength of a propagating wave is not affected by
Respuesta
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the frequency of the wave
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the velocity of the wave
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the energy of the wave
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the medium of wave that propagates
Pregunta 13
Pregunta
The figure above shows a transverse wave. The wavelength of the wave is equal to
Respuesta
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2x
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x
Pregunta 14
Pregunta
The main difference between transverse wave and longitudinal wave is
Respuesta
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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
Pregunta 15
Pregunta
Which of the following waves is longitudinal wave?
Respuesta
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Microwave
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Light wave
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Sound wave
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Radio wave
Pregunta 16
Pregunta
The figure above shows the simulation of longitudinal wave by using a slinky spring. What is the wavelength of the longitudinal wave?
Respuesta
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15cm
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10cm
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5cm
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Can't be determined from the diagram
Pregunta 17
Pregunta
The figure above shows the simulation of transverse wave by using a slinky spring. What is the wavelength of the transverse wave?
Respuesta
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25cm
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20cm
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5cm
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12.5cm
Pregunta 18
Pregunta
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.
Respuesta
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5m
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0.05m
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1.25m
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0.3m
Pregunta 19
Pregunta
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?
Respuesta
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100Hz
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60Hz
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20Hz
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40Hz
Pregunta 20
Pregunta
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?
Respuesta
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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
Pregunta 21
Pregunta
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
Respuesta
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1 s
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0.5 s
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0.25 s
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0.8 s
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