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10th Grade > Physics

SIMPLE HARMONIC MOTION AND WAVES MCQs

Total Questions : 97 | Page 9 of 10 pages
Question 81. Waves which do not require any medium for their propagation are called
  1.    mechanical waves
  2.    electromagnetic waves
  3.    transverse waves
  4.    longitudinal waves
 Discuss Question
Answer: Option B. -> electromagnetic waves
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 82. The velocity of the wave is defined as
  1.    v = fλ
  2.    v = st
  3.    v = at
  4.    f=1⁄T
 Discuss Question
Answer: Option A. -> v = fλ
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 83. The maximum displacement of a body from its mean position is
  1.    time period
  2.    frequency
  3.    vibration
  4.    amplitude
 Discuss Question
Answer: Option D. -> amplitude
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 84. The period of the pendulum is independent of its
  1.    mass only
  2.    amplitude only
  3.    frequency
  4.    mass and amplitude
 Discuss Question
Answer: Option D. -> mass and amplitude
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 85. The number of cycles completed in one second of a vibrating body is called
  1.    time period
  2.    amplitude
  3.    frequency
  4.    wave length
 Discuss Question
Answer: Option C. -> frequency
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 86. If waves are reflected in the first medium after falling on the second medium then the angle of reflection and angle of incidence are
  1.    equal
  2.    unequal
  3.    undefined
  4.    undetermined
 Discuss Question
Answer: Option A. -> equal
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 87. The velocity of the wave with frequency 4Hz and wavelength 0.4m is
  1.    8ms-1
  2.    1.6ms-1
  3.    16ms-1
  4.    2ms-1
 Discuss Question
Answer: Option B. -> 1.6ms-1
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 88. Waves which doesn't require any medium for their propagation are
  1.    electromagnetic
  2.    transverse
  3.    longitudinal
  4.    mechanical
 Discuss Question
Answer: Option A. -> electromagnetic
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 89. The reciprocal of the time is
  1.    amplitude
  2.    frequency
  3.    wave length
  4.    speed
 Discuss Question
Answer: Option B. -> frequency
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 90. The spreading or blending of waves around the sharp edges or corners of obstacles or slits is called
  1.    refraction of waves
  2.    diffraction of waves
  3.    reflection of waves
  4.    deflection of waves
 Discuss Question
Answer: Option B. -> diffraction of waves
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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