Q.1
Bunyi pantulan yang terjadi hampir bersamaan dengan bunyi asli dan terdengar saling bertumpuk disebut dengan . . . .
  • Gaung
  • Gema
  • Akustik
  • Feedback
Q.2
Jovian screams near a canyon and can hear his echo 3 seconds later. If the speed of sound at that time ism/s, what is the distance between Jovian and the canyon>
  • 900 m
  • 300 m
  • 150 m
  • 100 m
Q.3
The range audiosonic frequency is . . . .
  • 20 - 2000 Hz
  • 10 - 10 000 Hz
  • 20 - 20 000 Hz
  • 20 - 10 000 Hz
Q.4
An imaginary line that is perpendicular to any surfaces is called . . . .
  • imaginary line
  • vertical line
  • normal line
  • straight line
Q.5
The wave can propagate without any medium. It is the characteristic of these waves, except . . . .
  • Light
  • Electromagnetic wave
  • Infrared
  • Sound wave
Q.6
A sound wave has a frequency ofHz. If its wavelength is 3 m, calculate its wave speed.
  • 16.7 m/s
  • 60 m/s
  • 75 m/s
  • 150 m/s
Q.7
Jason heard a thunder 2 seconds after he saw the lightning. If the speed of sound ism/s, what is the distance between Jason and the lightning?
  • 600 m
  • 302 m
  • 300 m
  • 150 m
Q.8
A change of amplitude will change:
  • the wavelength
  • the loudness
  • the frequency
  • the pitch
Q.9
A violin string could vibrate with frequency of 1 kHz. The time period is . . . .
  • 1000 s
  • 10 s
  • 0.1 s
  • 0.001 s
Q.10
A pendulum swings 5 times in a second. What is its frequency?
  • 0.2 s
  • 0.5 s
  • 1.0 s
  • 5.0 s
Q.11
A pendulum has a time period of 0.4 s. What is its frequency?
  • 0.4 Hz
  • 1.0 Hz
  • 2.5 Hz
  • 4.0 Hz
Q.12
A pendulum is observed to completefull cycles inseconds. Determine the period of the pendulum.
  • 90 seconds
  • 6 seconds
  • 4 seconds
  • 0.25 second
Q.13
Calculate the time period of a wave with a frequency ofHz.
  • 50 seconds
  • 5 seconds
  • 0.2 second
  • 0.02 second
Q.14
Wave period means . . . .
  • the highest point above the rest position
  • the time taken for a full cycle of the wave
  • the maximum displacement of a point of a wave from its rest position
  • the number of waves passing a point each second
Q.15
The number of waves passing a point each second is . . . .
  • Period
  • Longitudinal waves
  • Frequency
  • Wavelength
Q.16
The maximum displacement of a point of a wave from its rest position or equilibrium point is called . . . .
  • Amplitude
  • Frequency
  • Crests
  • Period
Q.17
The period T is the time required for one complete oscillation or cycle, It is related to the frequency by?
  • T=2/F
  • T=1/F
  • T=3/F
  • T=4/F
  • T=2F
Q.18
In simple harmonic motion (SHM), the displacement x(t) of a particle from its equilibrium position is described by the equation of?
  • x = xm cos(ωt - ϕ)
  • x = xm cos(ωt - 2ϕ)
  • x = xm cos(ωt + 2ϕ)
  • x = xm cos(ωt + ϕ)
  • x = xm cos(2ωt + ϕ)
Q.19
x=xmcos⁡(ωt+ϕ)x=xm\cos(ωt+ϕ)x=xmcos(ωt+ϕ)  What is  xmxmxm in above equation stand for?
  • amplitude of the velocity
  • amplitude of the distance
  • amplitude of the displacement
  • distance of the amplitude
  • velocity of the amplitude
Q.20
v=−ωxmsin⁡(ωt+ϕ)v=−ωxm\sin(ωt+ϕ)v=−ωxmsin(ωt+ϕ)  the aim of the above formula is to find?
  • distance
  • displacement
  • velocity
  • acceleration
  • angular velocity
0 h : 0 m : 1 s