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PHYSICS MCQs

Total Questions : 3767 | Page 63 of 377 pages
Question 621. When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion?
  1.    Energy
  2.    Displacement
  3.    Velocity
  4.    Acceleration
 Discuss Question
Answer: Option A. -> Energy
Question 622. For a body moving with non-uniform velocity and uniform acceleration
  1.    Displacement – Time graph is linear
  2.    Displacement – Time graph is non-linear
  3.    Velocity – Time graph is nonlinear
  4.    Velocity – Time graph is linear
 Discuss Question
Answer: Option B. -> Displacement – Time graph is non-linear
Question 623. A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground.
  1.    1 : 1
  2.    1 : 2
  3.    1 : 4
  4.    Cannot be found from the given information.
 Discuss Question
Answer: Option A. -> 1 : 1
Question 624. Scalar Quantities are
  1.    Physical quantities which have magnitude only and no direction
  2.    Physical quantities which have no magnitude only and only direction
  3.    Physical quantities which have magnitude only and direction
  4.    Physical quantities which have no magnitude and no direction
 Discuss Question
Answer: Option A. -> Physical quantities which have magnitude only and no direction
Question 625. Weight of a body is maximum at the:
  1.    Equator
  2.    Pole
  3.    Subtropics
  4.    Tropics
 Discuss Question
Answer: Option B. -> Pole
Question 626. During ________ motion of an object along a straight line, the velocity remains constant with time.
  1.    Linear
  2.    Translational
  3.    Uniform
  4.    Equilibrium
 Discuss Question
Answer: Option C. -> Uniform
Question 627. When a body is accelerated, then the velocity will be also
  1.    Increase
  2.    Decrease
  3.    Constant
  4.    None of the above
 Discuss Question
Answer: Option A. -> Increase
Question 628. What does the slope of a velocity time graph represent?
  1.    Acceleration
  2.    Distance
  3.    Speed
  4.    Momentum
 Discuss Question
Answer: Option A. -> Acceleration
Question 629. The slope of a velocity-time graph represents
  1.    Acceleration
  2.    Displacement
  3.    Distance
  4.    Speed
 Discuss Question
Answer: Option A. -> Acceleration
Question 630. The atmospheric air is held to the Earth by :
  1.    Gravity
  2.    Winds
  3.    Clouds
  4.    Rotation of the Earth
 Discuss Question
Answer: Option A. -> Gravity

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