Sail E0 Webinar

General Knowledge > General Science

WAVES AND MOTIONS MCQs

Laws Of Motion, Second Law Motion, Uniform Circular Motion, First Law Of Motion, Third Law Motion, Horizontal Projectile Motion, Oscillations And Waves, Radio Wave Propagation, Wave Optics

Total Questions : 131 | Page 1 of 14 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: Option D. -> 150 m/s

Latest Videos

Latest Test Papers