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  • Oscillations And Waves

General Science

OSCILLATIONS AND WAVES MCQs

Total Questions : 35

Page 1 of 4 pages
Question 1. An object attached to one end of a spring makes 20 complete vibrations in 10s
  1.    0.50 s
  2.    2 s
  3.    0.5 Hz
  4.    2 Hz
 Discuss Question
Answer is Option A. -> 0.50 s
Question 2. In simple harmonic motion (SHM), the displacement x(t) of a particle from its equilibrium position is described by the equation of?
  1.    x = xm cos(ωt - 2ϕ)
  2.    x = xm cos(ωt + 2ϕ)
  3.    x = xm cos(ωt + ϕ)
  4.    x = xm cos(2ωt + ϕ)
 Discuss Question
Answer is Option C. -> x = xm cos(ωt + ϕ)
Question 3. A pendulum has a time period of 0
  1.    0.4 Hz
  2.    1.0 Hz
  3.    2.5 Hz
  4.    4.0 Hz
 Discuss Question
Answer is Option C. -> 2.5 Hz
Question 4. There are two properties of sound waves, they are:
  1.    Pitch
  2.    Loudness
  3.    Vibration
  4.    Both A & B
 Discuss Question
Answer is Option D. -> Both A & B
Question 5. A pendulum swings 5 times in a second
  1.    0.2 s
  2.    0.5 s
  3.    1.0 s
  4.    5.0 s
 Discuss Question
Answer is Option A. -> 0.2 s
Question 6. A violin string could vibrate with frequency of 1 kHz
  1.    1000 s
  2.    10 s
  3.    0.1 s
  4.    0.001 s
 Discuss Question
Answer is Option D. -> 0.001 s
Question 7. A change of amplitude will change:
  1.    the wavelength
  2.    the loudness
  3.    the frequency
  4.    the pitch
 Discuss Question
Answer is Option B. -> the loudness
Question 8. Jason heard a thunder 2 seconds after he saw the lightning
  1.    600 m
  2.    302 m
  3.    300 m
  4.    150 m
 Discuss Question
Answer is Option A. -> 600 m
Question 9. The period T is the time required for one complete oscillation or cycle, It is related to the frequency by?
  1.    T=2/F
  2.    T=1/F
  3.    T=3/F
  4.    T=4/F
 Discuss Question
Answer is Option B. -> T=1/F
Question 10. A sound wave has a frequency of 50 Hz
  1.    16.7 m/s
  2.    60 m/s
  3.    75 m/s
  4.    150 m/s
 Discuss Question
Answer is Option D. -> 150 m/s
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