Test
WAVE
Preguntas del test (21)
1A 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?
- A
- B
- C
- D
- A
2Which of the following quantities will decrease when an oscillating system undergoes damped oscillation?
- ASpeed
- B Amplitude
- CFrequency
- DWave length
3Damping of an oscillating system is due to
- Athe system is losing energy to the surrounding.
- Bthe system has been set up wrongly.
- C the system is not oscillating in vacuum
4A force oscillation is
- AA system oscillates with maximum amplitude.
- BA system oscillates with decreasing amplitude.
- CA system oscillates with the help of an external force.
- DA system oscillates without any external force act on it.
5When an oscillating spring reaches resonance state, it
- AStop oscillates.
- B Experiencing damped oscillation.
- COscillates with maximum amplitude.
- DOscillates with higher frequency.
6The natural frequency of a spring is f Herz. Resonance happens if the frequency of the external force that applied on it is
- A0.5f Hz
- B f Hz
- C2f Hz
- D4f Hz
7Five 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?
- APendulum A
- BPendulum B
- CPendulum C
- DPendulum D
8A thin piece of glass is broken when a soprano is singing with a high pitch. This probably is caused by a physics phenomena called
- ADiffraction
- BInterference
- CDamping
- D Resonance
9 It is observed that a car will vibrate intensely at a particular speed. This is probably due to
- AInertia
- BResonance
- C Damping
- D Diffraction
10A 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?
- A0.2m
- B20m
- C31.25m
- D 3.125m
- A0.2m
11Which of the following quantities will cause the amplitude of a wave changes?
- AType of the wave
- BEnergy of the wave
- CWavelength of the wave
- DFrequency of the wave
12The wavelength of a propagating wave is not affected by
- Athe frequency of the wave
- Bthe velocity of the wave
- C the energy of the wave
- D the medium of wave that propagates
13The figure above shows a transverse wave. The wavelength of the wave is equal to
- A
- B2x
- C
- Dx
- A
14 The main difference between transverse wave and longitudinal wave is
- AThe wave pattern
- BThe direction of the vibration of the particles in the wave
- CTransverse wave propagates faster than longitudinal wave.
- D Transverse wave can travels in vacuum while longitudinal wave cannot
15Which of the following waves is longitudinal wave?
- AMicrowave
- BLight wave
- CSound wave
- DRadio wave
16 The figure above shows the simulation of longitudinal wave by using a slinky spring. What is the wavelength of the longitudinal wave?
- A15cm
- B 10cm
- C5cm
- D Can't be determined from the diagram
17 The figure above shows the simulation of transverse wave by using a slinky spring. What is the wavelength of the transverse wave?
- A25cm
- B20cm
- C5cm
- D12.5cm
18Figure 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.
- A5m
- B0.05m
- C1.25m
- D 0.3m
19 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?
- A100Hz
- B 60Hz
- C20Hz
- D40Hz
20The 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?
- A2.4 ms-1
- B0.8 ms-1
- C 2.5 ms-1
- D 1.0 ms-1
21A 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
- A1 s
- B0.5 s
- C0.25 s
- D0.8 s
Información
- Descripción
- GOOD LUCK
- Autor
- Izatul Husna
- Idioma
- English
- Visitas
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