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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 3 of 14 pages
Question 21. The number of wavelengths that pass a point each per second is:
  1.    frequency
  2.    period
  3.    longitudinal
  4.    transverse wave
 Discuss Question
Answer: Option A. -> frequency
Question 22. What is common with all electromagnetic and mechanical waves?
  1.    They travel at the same speed
  2.    They transfer energy
  3.    They are all longitudinal waves
  4.    They are all transverse waves
 Discuss Question
Answer: Option B. -> They transfer energy
Question 23. A student in a band notices that a drum vibrates when another instrument emits a certain frequency note
  1.    reflection
  2.    refraction
  3.    resonance
  4.    doppler effect
 Discuss Question
Answer: Option C. -> resonance
Question 24. Sound is an example of a
  1.    transverse wave
  2.    longitudinal wave
  3.    focal wave
  4.    electromagnetic wave
 Discuss Question
Answer: Option B. -> longitudinal wave
Question 25. Wave period means
  1.    the highest point above the rest position
  2.    the time taken for a full cycle of the wave
  3.    the maximum displacement of a point of a wave from its rest position
  4.    the number of waves passing a point each second
 Discuss Question
Answer: Option B. -> the time taken for a full cycle of the wave
Question 26. The study and control of oscillations are two of the primary goals of what?
  1.    physics
  2.    engineering
  3.    biology
  4.    Both A & B
 Discuss Question
Answer: Option D. -> Both A & B
Question 27. The number of waves passing a point each second is
  1.    Period
  2.    Longitudinal waves
  3.    Frequency
  4.    Wavelength
 Discuss Question
Answer: Option C. -> Frequency
Question 28. The maximum displacement of a point of a wave from its rest position or equilibrium point is called
  1.    Amplitude
  2.    Frequency
  3.    Crests
  4.    Period
 Discuss Question
Answer: Option A. -> Amplitude
Question 29. The following are the characteristics of longitudinal waves:
  1.    the vibrations are parallel to the direction of wave travel
  2.    can propagate through solids, liquids, and gasses
  3.    consists of compressions and rarefactions
  4.    All of above
 Discuss Question
Answer: Option D. -> All of above
Question 30. For small-angle oscillations of a simple pendulum, relate the period T (or frequency f) to what variable?
  1.    to the pendulum’s length L
  2.    to the distance h between the pivot and the center of mass
  3.    the angular position θ and rate
  4.    Both A & B
 Discuss Question
Answer: Option D. -> Both A & B

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