Daily Updated MCQS

Q:A body is moving with uniform velocity. Its?

  • (A)speed changes
  • (B)acceleration changes
  • (C)direction of motion changes
  • (D)displacement from origin changes
  • The Correct Answer is displacement from origin changes

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Q:Why Ballistic missile fails in some circumstances of precision?

  • (A)due to their shape
  • (B)due to angle of projection
  • (C)due to air resistance
  • (D)all of these
  • The Correct Answer is due to air resistance

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Q:Time rate of change of momentum is equal to?

  • (A)force
  • (B)impulse
  • (C)velocity
  • (D)both A and C
  • The Correct Answer is force

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Q:At which angle the range of the projectile is maximum?

  • (A)45
  • (B)60
  • (C)30
  • (D)65
  • The Correct Answer is 45

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Q:Flight of a rocket in the space is an example of?

  • (A)second law of motion
  • (B)third law of motion
  • (C)first law of motion
  • (D)law of gravitation
  • The Correct Answer is third law of motion

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Q:Distance covered by a freely falling body in 2 seconds will be?

  • (A)4.9 m
  • (B)39.2 m
  • (C)19.6 m
  • (D)44.1 m
  • The Correct Answer is 19.6 m

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Q:What is the angle of projection for which the range and maximum height become equal?

  • (A)tan-1 ¼
  • (B)tan-1 4
  • (C)tan-1 ½
  • (D)tan-1 2
  • The Correct Answer is tan-1 4

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Q:Taking off rocket can be explained by?

  • (A)1st law of motion
  • (B)2nd law of motion
  • (C)Law of conservation of momentum
  • (D)law of conservation of energy
  • The Correct Answer is Law of conservation of momentum

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Q:Which shows the correct relation between time of flight T and maximum height H?

  • (A)H=8T2/g
  • (B)H=gT2
  • (C)H=gT2/8
  • (D)H=8g/T2
  • The Correct Answer is H=gT2/8

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Q:What is the shape of velocity, time graph for constant acceleration?

  • (A)straight inclined line.
  • (B)parabola
  • (C)inclined curve
  • (D)declined curve
  • The Correct Answer is straight inclined line.

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Q:When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to

  • (A)Centripetal force
  • (B)Gravitational force
  • (C)Their inertia
  • (D)Centrifugal force
  • The Correct Answer is Centrifugal force

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Q:The collision between two bodies be elastic if bodies are?

  • (A)solid and soft
  • (B)soft and elastic
  • (C)solid and hard
  • (D)hard and elastic
  • The Correct Answer is solid and hard

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Q:Which of the following pair has same direction always?

  • (A)force, displacement
  • (B)force, velocity
  • (C)force, acceleration
  • (D)force, momentum
  • The Correct Answer is force, acceleration

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Q:The dimension of force is?

  • (A)MLT-2
  • (B)ML2T-2
  • (C)ML2T2
  • (D)ML-2T-2
  • The Correct Answer is MLT-2

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