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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 6 of 14 pages
Question 51. The unit of magnetic flux is the
  1.    Henry
  2.    Tesla
  3.    Faraday
  4.    Weber
 Discuss Question
Answer: Option D. -> Weber
Question 52. Coherent sources have
  1.    same frequency
  2.    constant or zero phase difference
  3.    both a and b
  4.    none of these
 Discuss Question
Answer: Option C. -> both a and b
Question 53. Two coherent sources of light can be obtained from
  1.    Two different lamps
  2.    Two different lamps but of the same colour
  3.    Two different lamps of the same colour and having the same colour
  4.    None of these
 Discuss Question
Answer: Option D. -> None of these
Question 54. State first law of motion indicates?
  1.    Contents
  2.    Wisdom
  3.    Knowledge
  4.    None of the above
 Discuss Question
Answer: Option C. -> Knowledge
Question 55. Which law of Motion gives the measure of Force?
  1.    Newton’s first law of motion
  2.    Newton’s second law of motion
  3.    Newton’s third law of motion
  4.    None of these
 Discuss Question
Answer: Option B. -> Newton’s second law of motion
Question 56. Which of the following does Newton’s first law of motion describe?
  1.    Inertia
  2.    Work
  3.    Energy
  4.    Moment of Inertia
 Discuss Question
Answer: Option A. -> Inertia
Question 57. Which law of Newton helps in finding the force on a body?
  1.    First law
  2.    Second Law
  3.    Third Law
  4.    Fourth Law
 Discuss Question
Answer: Option B. -> Second Law
Question 58. Newton’s first law of motion states that an object’s motion will not change unless
  1.    the net force acting on it is greater than zero.
  2.    a force continues to be applied to the object.
  3.    its inertia is stronger than the applied force.
  4.    the object has no inertia.
 Discuss Question
Answer: Option A. -> the net force acting on it is greater than zero.
Question 59. Newton’s first law of motion is also called the law of
  1.    mass.
  2.    inertia.
  3.    velocity.
  4.    unbalanced forces.
 Discuss Question
Answer: Option B. -> inertia.
Question 60. Newtons first law of motion is sometime called the law of
  1.    unbalanced forces
  2.    statics
  3.    inertia
  4.    balanced forces
 Discuss Question
Answer: Option C. -> inertia

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