XI Physics Projectile and Circular Motion Online Test Mdcat-2024

Projectile and Circular Motion online test
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    Test Details:

      • Subject: Physics
      • Class: 1st year or 11
      • Chapter name: Projectile and Circular Motion
      • Test: MDCAT 2024
      • Book: Sindh Textbook
      • Total No. Of MCQS: 50
      • Time Allowed: 60 Minutes
      • Price : Free
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      Created on By 99aa5633491da71752e906844cd41aa5medicoengineer.com

      XI Physics Projectile and Circular Motion Online Test Mdcat-2024

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      1 / 50

      1. If the mass of body is halved and its tangential velocity is doubled then:

      2 / 50

      2. If a rotating body is moving counterclockwise, the direction of angular velocity will be:

      3 / 50

      3. A flywheel at rest is to reach an angular velocity of 36 rad.s‑1 in 6 seconds, with a constant angular acceleration. The total angle turned through during this interval is:

      4 / 50

      4. In 1.0 s, a particle goes from point A to point B, moving in a semicircle of radius 1.0 m (see figure). The magnitude of the average vghjklelocity is:

      5 / 50

      5. Which of the following is not an expression for angular momentum:

      6 / 50

      6. The angular velocity of a rolling tyre making 120 revolutions per minute is:

      7 / 50

      7. Two bodies of masses 10 kg and 5 kg are moving in circles of radius RRR and rrr such that their time period is the same. The ratio between their centripetal accelerations is:

      8 / 50

      8. The angular velocity of an object moving in a circle of radius r with a constant speed of v is:

      9 / 50

      9. The angular displacement in circular motion is:

      10 / 50

      10. Which of the following factors remains unchanged in uniform circular motion:

      11 / 50

      11. If a body is rotating clockwise with decreasing angular velocity, its angular acceleration is directed:

      12 / 50

      12. In circular motion, if the tangential velocity of the body doubles, then the centripetal force becomes:

      13 / 50

      13. The number of revolutions in 5π radians is:

      14 / 50

      14. Initially, a wheel is at rest. Its angular velocity increases uniformly and becomes 60 rad/sec in 5 sec. The total angular displacement is:

      15 / 50

      15. A wheel completes 2000 rotations in covering a distance of 12.5 km. The diameter of the wheel is:

      16 / 50

      16. The ratio of the angular speed of the second hand to the hour hand of a clock is:

      17 / 50

      17. A person sitting on a rotating stool suddenly outstretches his arms. Then,

      I. Angular velocity increases
      II. Moment of inertia increases
      III. Angular momentum increases
      IV. Angular momentum remains the same

      18 / 50

      18. In non-uniform circular motion, a body possesses:

      19 / 50

      19. The acceleration produced due to a change in direction in uniform circular motion is:

      20 / 50

      20. In uniform circular motion, the angle between centripetal acceleration and the velocity vector is:

      21 / 50

      21. In uniform circular motion, the angle between centripetal acceleration and the radius vector is:

      22 / 50

      22. The maximum velocity after which a car can skid while moving on a circular track of radius 100 m, given that the coefficient of friction between the road and the tires is 0.2, is:

      23 / 50

      23. A 500 kg car takes a round turn of radius 50 m with a velocity of 36 km/hr. The centripetal force acting on the car is:

      24 / 50

      24. When a body moves with constant speed in a circle:

      25 / 50

      25. If a particle moves in a circle covering equal angles in equal time, its velocity vector:

      26 / 50

      26. A stone of mass 2 kg is projected at an angle of 60⁰ with a velocity of 30 m/s. Its total kinetic energy at the highest point of the trajectory is:

      27 / 50

      27. At the top of the trajectory of a projectile, the angle between the total velocity and acceleration of the projectile is:

      28 / 50

      28. At an angle of 76⁰ for a projectile, the range of the projectile will be equal to:

      29 / 50

      29. A ball is projected with a velocity of 10 m/s at an angle of 60⁰ with the vertical. The time taken by the projectile to reach the point of arrival (g = 10 m/s²) is:

      30 / 50

      30. The range of a projectile will increase ____ times if the velocity increases √3 times:

      31 / 50

      31. The angles at which a projectile has maximum and minimum ranges are:

      32 / 50

      32. In projectile motion, the range is covered due to:

      33 / 50

      33. The direction of motion of a projectile fired horizontally from some height will be perpendicular to the vertical axis when:

      34 / 50

      34. A food box is dropped from a helicopter moving at a speed of 30 m/s from a height of 45 m. Where will the box hit the ground?

      35 / 50

      35. If the velocity of a projectile is doubled, which of the following is correct:

      I. Its range will be four times
      II. Its maximum height becomes four times
      III. Its total time of flight becomes four times

       

      36 / 50

      36. A body is projected at an angle to the horizontal, having a range of 300 m. If the time of flight is 6 seconds, the horizontal component of velocity is:

      37 / 50

      37. A projectile is projected with 60 m/s at an angle of 30⁰ with the horizontal. Its Y component of velocity after 2 seconds of motion is:

      38 / 50

      38. In projectile motion, acceleration in the x direction is zero because:

      39 / 50

      39. If the time of flight of a projectile is 6 seconds, it will cover its maximum range in:

      40 / 50

      40. If the time of flight of a projectile is 6 seconds, it will reach its maximum height in:

      41 / 50

      41. The angles at which a projectile covers half of its maximum range are:

      42 / 50

      42. The Y component of a projectile during its motion is:

      43 / 50

      43. Air friction is a resisting factor for a projectile mainly affecting:

      44 / 50

      44. The velocity of a projectile at the highest point of its motion is:

      45 / 50

      45. In projectile motion launched from Earth's surface at any angle, the velocity is zero:

      46 / 50

      46. An example of projectile motion:

      47 / 50

      47. A projectile is thrown with an initial velocity of 100 m/s at an angle of 60⁰ with the horizontal. What will be the horizontal component of its velocity?

      48 / 50

      48. A projectile covers a range of 5 m when it is launched at an angle of 15⁰. What will be the range of that projectile when launched at an angle of 45⁰?

      49 / 50

      49. A stone is thrown with a vertical component of velocity as 98 m/s. How much time will it take to come back?

      50 / 50

      50. A ball is released from height h and another from 4h. The ratio of time taken by the balls to reach the ground is:

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