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10th Grade > Physics

SIMPLE HARMONIC MOTION AND WAVES MCQs

Total Questions : 97 | Page 8 of 10 pages
Question 71. The method of transfer energy is
  1.    conduction
  2.    radiation
  3.    wave motion
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 72. In a vacuum, all electromagnetic waves have the same
  1.    frequency
  2.    speed
  3.    wavelength
  4.    amplitude
 Discuss Question
Answer: Option B. -> speed
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 73. In one second, a human eardrum can oscillate back and forth up to
  1.    30,000 times
  2.    10,000 times
  3.    25,000 times
  4.    20,000 times
 Discuss Question
Answer: Option D. -> 20,000 times
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 74. The distance between 2 consecutive crests or troughs is called
  1.    time period
  2.    amplitude
  3.    frequency
  4.    wave length
 Discuss Question
Answer: Option D. -> wave length
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 75. If gm = ge⁄6, the time period of a simple pendulum is 2s and ge = 10ms-2. The length of the pendulum on the moon will be
  1.    2 m
  2.    1 m
  3.    0.17 m
  4.    2.5 m
 Discuss Question
Answer: Option C. -> 0.17 m
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 76. If a body moves back and forth or to and fro about a point, then it is said to be
  1.    consistency
  2.    consistency
  3.    rotating
  4.    displacing
 Discuss Question
Answer: Option B. -> consistency
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 77. The bending of waves around the corners of slits is called
  1.    Reflection
  2.    Refraction
  3.    Diffraction
  4.    Deflection
 Discuss Question
Answer: Option C. -> Diffraction
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 78. A body executing simple harmonic motion always vibrates about a
  1.    nearest position
  2.    variable position
  3.    fixed position
  4.    most far position
 Discuss Question
Answer: Option C. -> fixed position
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 79. The kinetic energy of mass attached to spring at mean position is
  1.    maximum
  2.    minimum
  3.    moderate
  4.    may be max. or min.
 Discuss Question
Answer: Option A. -> maximum
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 80. The mass doesn't stop at the mean position due to
  1.    Inertia
  2.    Friction
  3.    Torque
  4.    Gravity
 Discuss Question
Answer: Option A. -> Inertia
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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