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10th Grade > Physics

SIMPLE HARMONIC MOTION AND WAVES MCQs

Total Questions : 97 | Page 5 of 10 pages
Question 41. When friction reduces the mechanical energy of the system as time passes, the motion is said to be
  1.    simple
  2.    damped
  3.    random
  4.    linear
 Discuss Question
Answer: Option B. -> damped
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 42. From one place to another, through waves, we can transfer
  1.    heat
  2.    sound
  3.    energy
  4.    gas
 Discuss Question
Answer: Option C. -> energy
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 43. The velocity of simple harmonic motion at the extreme position is always
  1.    maximum
  2.    minimum
  3.    zero
  4.    negative
 Discuss Question
Answer: Option C. -> zero
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 44. Time taken by a body to complete one vibration is
  1.    amplitude
  2.    frequency
  3.    time period
  4.    vibration
 Discuss Question
Answer: Option C. -> time period
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 45. If 160 waves pass through a point of a medium in 40 seconds. Its frequency is
  1.    4 Hz
  2.    2 Hz
  3.    5 Hz
  4.    3 Hz
 Discuss Question
Answer: Option A. -> 4 Hz
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 46. A pendulum of length 0.65 m is taken to the moon. The period is 5.2 s. The value of "g" on the surface of the moon is
  1.    1.5 ms-2
  2.    0.948 ms-2
  3.    0.35 ms-2
  4.    2.35 ms-2
 Discuss Question
Answer: Option B. -> 0.948 ms-2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 47. If the mass of bob is increased 3 times then it's period
  1.    increases
  2.    decreases 2 times
  3.    remains same
  4.    increases 4 times
 Discuss Question
Answer: Option C. -> remains same
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 48. The characteristic of wave independent of others is
  1.    frequency
  2.    speed
  3.    wavelength
  4.    amplitude
 Discuss Question
Answer: Option D. -> amplitude
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 49. The speed of a wave in water depends on the
  1.    depth of tank
  2.    temperature
  3.    depth of water
  4.    none of above
 Discuss Question
Answer: Option C. -> depth of water
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 50. The time T of the simple harmonic motion of a mass m attached to a spring is given by
  1.    T = 2π √(k/m)
  2.    T = 2π √(m/k)
  3.    T = π √(k/m)
  4.    T = 2π √(m+k)
 Discuss Question
Answer: Option B. -> T = 2π √(m/k)
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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