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10th Grade > Physics

SIMPLE HARMONIC MOTION AND WAVES MCQs

Total Questions : 97 | Page 3 of 10 pages
Question 21. The time period of a simple pendulum is independent of it's
  1.    friction gravity
  2.    length
  3.    friction gravity
  4.    mass and amplitude
 Discuss Question
Answer: Option D. -> mass and amplitude
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 22. The mechanical waves in which particles of the medium vibrate about their mean position along the direction of propagation of the waves are called
  1.    transverse waves
  2.    longitudinal waves
  3.    mechanical waves
  4.    electromagnetic waves
 Discuss Question
Answer: Option B. -> longitudinal waves
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 23. The velocity of bob in SHM becomes zero at
  1.    mean position
  2.    in air
  3.    extreme position
  4.    middle of mean and extreme position
 Discuss Question
Answer: Option C. -> extreme position
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 24. The kinetic energy of mass attached to spring at extreme position is
  1.    minimum
  2.    Maximum
  3.    moderate
  4.    zero
 Discuss Question
Answer: Option D. -> zero
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 25. Oscillations are damped due to the presence of
  1.    linear motion
  2.    restoring force
  3.    frictional force
  4.    mechanical force
 Discuss Question
Answer: Option C. -> frictional force
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 26. If the time period of a simple pendulum is 2 s then it's length is
  1.    1.02m
  2.    1.2m
  3.    1.4m
  4.    1.5m
 Discuss Question
Answer: Option A. -> 1.02m
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 27. If potential energies and kinetic energies are equal then displacement of an object in SHM is
  1.    4
  2.    0
  3.    2
  4.    6
 Discuss Question
Answer: Option B. -> 0
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 28. The relationship between speed (v), frequency (f) and wavelength (λ) is
  1.    vf = λ
  2.    fλ = v
  3.    v&lambda = f
  4.    v = λ/f
 Discuss Question
Answer: Option B. -> fλ = v
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 29. The categories of waves are
  1.    3
  2.    4
  3.    2
  4.    5
 Discuss Question
Answer: Option C. -> 2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 30. In a simple pendulum, the force acting along the string is
  1.    0
  2.    mg sinθ
  3.    mg cosθ
  4.    1
 Discuss Question
Answer: Option A. -> 0
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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