Motion in a Plane Mock Test – Class 11 Physics

1. A particle in uniform circular motion of radius has average acceleration magnitude over half a revolution. Its speed is:

2. Assertion: The position vector of a point depends on the chosen origin.
Reason: The position vector is drawn from the origin to the point.

3. A vector formula list contains the following claims:
I.
II.
III.
For uniform circular motion, the supported claims are:

4. A vector diagram is described as follows: an arrow starts at point , ends at point , and is labelled . The displacement represented by is:

5. A particle is in uniform circular motion. At an instant, its velocity is tangential to the circular path and its centripetal acceleration is directed toward the centre. The angle between these two vectors is:

6. Use the arrangement described below: a projectile is launched from the origin, reaches point at the highest point, and lands at point on the same horizontal level. Air resistance is neglected.
At point , the acceleration vector points:

7. For a non-zero vector , compare and .

8. In a coordinate description of plane motion, changing the origin can change:

9. Use the graph description below.

If the initial velocity is , the velocity after is:

10. A displacement record is shown below.

The row that describes the resultant incorrectly is:

11. A projectile is launched and lands at the same level. Neglecting air resistance, the speed just before landing is equal to the launch speed because:

12. The vector , where is a non-zero vector, is:

13. A vector has component form . If the same physical vector is described using a new set of axes rotated in the plane, then:

14. Two arrows on a page represent vectors. Arrow P is long and points north. Arrow Q is long and points west. The two vectors are:

15. The vectors and have equal magnitudes but opposite directions. The value of is:

16. A wheel of radius rotates uniformly at . The centripetal acceleration of a point on its rim is:

17. A particle starts from the origin. At , its position is , and its velocity is . If acceleration is constant, the initial velocity and acceleration are:

18. A projectile is launched with at an angle such that and . Taking , its velocity after is:

19. The centripetal acceleration of a body in uniform circular motion is:

20. A particle in circular motion has speed and radius . In a second case, the speed becomes and the radius becomes . The centripetal acceleration becomes:

21. Match the circular-motion quantities with their correct descriptions.

The suitable matching is:

22. A vector of magnitude makes an angle with the positive -axis in the first quadrant. Its components are:

23. The position vector of a body is , where is in and is in . Its speed at is:

24. The expression represents:

25. A wheel rotates uniformly at . The angular speed of the wheel is:

26. A table compares formula conditions in projectile motion.

The entry that needs correction is:

27. At , the position of relative to is , and the relative velocity is . The minimum separation between and is:

28. Two vectors of magnitudes and make an angle with each other. The magnitude of their resultant is given by:

29. For a projectile returning to the same level, the maximum height depends directly on:

30. Use the arrangement described below: an object moves from point to point , and then from point to point . The displacement from to is , and the displacement from to is . The net displacement is:

31. A displacement vector in a plane has -component and -component . Its vector form is:

32. For a particle completing one full revolution in uniform circular motion...

33. A particle moves uniformly on a circle of radius at frequency . Its centripetal acceleration is:

34. In the description of motion in a plane, the pair gives:

35. In the small-interval reasoning for uniform circular motion, the change in velocity becomes directed toward the centre in the limiting case because:

36. Two projectiles are fired with the same speed on level ground at angles and . Compared with the projectile, the projectile has:

37. A vector is written as . The coefficients and in this expression are best understood as:

38. A projectile’s velocity at one instant is . Its speed and direction of vertical motion are:

39. A graph is plotted with on the vertical axis and on the horizontal axis for circular motion at fixed radius . The slope of the graph is:

40. Two vectors are and . Their sum is:

41. A body has velocity and acceleration at the same instant. These two vectors are:

42. If the acceleration due to gravity becomes while the same projectile is launched with the same speed and angle on level ground, its horizontal range becomes:

43. The row that correctly distinguishes a vector magnitude from rectangular components is:

The row that should be corrected is:

44. A table compares velocity-change records.

The row that contains a sign error is:

45. A component record is made for a vector whose angle is measured from the positive -axis.

The row that contains a sign error is:

46. The quantity in plane motion refers to:

47. Study the table for a vector of magnitude with angle measured anticlockwise from the positive -axis.

The row that needs correction is:

48. A projectile has initial velocity components and . Taking , its speed after is:

49. A quantity is classified as a vector only when it has:

50. Study the table for uniform circular motion.

The row that needs correction is: