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| 01 | 9th Class Physics Mcqs Chapter 01 | 02 | 9th Class Physics Mcqs Chapter 02 |
| 03 | 9th Class Physics Mcqs Chapter 03 | 04 | 9th Class Physics Mcqs Chapter 04 |
| 05 | 9th Class Physics Mcqs Chapter 05 | 06 | 9th Class Physics Mcqs Chapter 06 |
| 07 | 9th Class Physics Mcqs Chapter 07 | 08 | 9th Class Physics Mcqs Chapter 08 |
| 09 | 9th Class Physics Mcqs Chapter 09 | 10 | 9th Class Physics Mcqs Chapter 10 |
| 11 | 9th Class Physics Mcqs Chapter 11 | 12 | 9th Class Physics Mcqs Chapter 12 |
CHAPTER 2
KINAMATICS
Encircle the most appropriate answer from the following options
1. Study of motion of the bodies is known as:
(a) Heat
(b) Light
(c) Atomic physics
(d) Mechanics
2. Study of motion without discussing the cause of motion is known as :
(a) Kinematics
(b) Dynamics
(c) Heat
(d) Motion
3. If a body does unchanges its position with respect to some observer then it will be in a state of:
(a) Rest
(b) Motion
(c) Uniform motion
(d) Relative motion
4. If a body changes its position with respect to some observer then it will be in the state of:
(a) Rest
(b) Motion
(c) Uniform motion
(d) Relative motion
5. Rest and motion are the states of:
(a) Absolute
(b) Constant
(c) Variable
(d) Relative
6. Which is the following is a vector quantity?
(a) Displacement
(b) Speed
(c) Volume
(d) Work
7. The spinning motion of a body about its axis is known as.
(a) Translatory motion
(b) Vibratory motion
(c) Rotatory motion
(d) none of these
8. When a body moves to and fro about a point and repeats its motion again and again about the same point then this motion is known as:
(a) Translatory
(b) Vibratory
(c) Rotatory
(d) none of these
9. The motion of the string of a violin is:
(a) Translatory
(b) Vibratory
(c) Rotatory
(d) none of these
10. Total length of a path between two points is known as:
(a) Velocity
(b) Acceleration
(c) Speed
(d) Distance
11. The shortest distance between two points is known as:
(a) Velocity
(b) Displacement
(c) Speed
(d) Distance
12. The area uner a speed time graph respresents
(a) Speed
(b) Volume
(c) Acceleration
(d) Distance
13. SI unit of speed is:
(a) ms 1
(b) mh -1
(C) kms 1
(d) All of these
14. Speed is a
(a) Vector
(b) Scalar
(c) Both
(d) none of these
15. If a body covers equal distance in equal intervals of time, however small the intervals may be, then the speed of the body is known as:
(a) Uniform
(b) Variable
(c) Non uniform
(d) All of these
16. The rate of displacement with respect to time is known as:
(a) Distance
(b) Speed
(c) Velocity
(d) Acceleration
17. If the speed and direction of the moving body does not change with time then its velocity is said to be:
(a) Uniform
(b) Variable
(c) Constant
(d) All of these
18. If the speed or direction of the moving body changes with time then its velocity is said to be:
(a) Uniform
(b) Variable
(c) Constant
(d) All of these
19. Rate of change of velocity is called:
(a) Distance
(b) Speed
(c) Velocity
(d) Acceleration
20. If the velocity of the body is increasing then it’s acceleration will be:
(a) Positive
(b) Negative
(c) Uniform
(d) Variable
21. If the velocity of the body is decreasing then its acceleration will be:
(a) Positive
(b) Negative
(c) Uniform
(d) Variable
22. If the velocity of a body is uniform then what will be its acceleration :
(a) Positive
(b) Negative
(c) Zero
(d) Doubled
23. SI unit of acceleration is:
(a) ms 1
(b) kmh-1
(c) kms1
(d) ms2 \
24. If velocity of a body changes equally in equal intervals of time then its acceleration will be:
(a) Uniform
(b) Variable
(c) Constant
(d) Relative
25. If the velocity and acceleration of a body moving with uniform speed in a circular path will be:
(a) In the same direction
(b) In the opposite direction
(c) Mutually perpendicular
(d) Equal
26. If the direction of motion of body and acceleration is in same direction then acceleration will be:
(a) Uniform
(b) Positive
(c) Negative
(d) Zero
27. If the direction of motion of body and acceleration is in opposite direction then acceleration will be:
(a) Uniform
(b) Positive
(c) Negative
(d) Zero
28. The quantity which can be described by a number, with suitable unit only is named as:
(a) Vector
(b) Scalar
(c) Speed
(d) Acceleration
29. The quantity which are described by magnitude as well as direction is known as :
(a) Vector
(b) Scalar
(c) Speed
(d) Acceleration
30. In equations of motion, motion will always be taken along line:
(a) Circular
(b) Straight
(c) Elliptical
(d) None of above
31. In the equation of motion, Acceleration will always be:
(a) Uniform
(b) Variable
(c) Positive
(d) Negative
32. In equations of motion, initial velocity will be taken as:
(a) Uniform
(b) Variable
(c) Positive
(d) Negative
33. In equations of motion, quantities in the direction of initial velocity are taken as:
(a) Uniform
(b) Variable
(c) Positive
(d) Negative
34. In equations of motion, quantities opposite to the direction of initial velocity are known as:
(a) Uniform
(b) Variable
(c) Positive
(d) Negative
35. The slope of straight line in speed time graph gives the magnitude of
(a) Force
(b) Displacement
(c) Torque
(d) Acceleration
36. Series of experiments on free fall of heavy bodies was done by:
(a) Newton
(b) Einstein
(c) Galileo
(d) Al-Kundi
37. When a body is falling freely under the gravity then in equations of motion ‘a’ is replaced by which :
(a) m
(b) d
(c) S
(d) g
38. If a body is falling under the gravity then its initial velocity will be:
(a) Positive
(b) Negative
(c) uniform
(d) Zero
39. If a body is falling under the gravity then what will its gravitational acceleration:
(a) Positive
(b) Negative
(c) Increasing
(d) Zero
40. If a body is thrown vertically upward then its final velocity will be:
(a) Positive
(b) Negative
(c) uniform
(d) Zero
41. If a body is thrown upward, then its gravitational acceleration will be:
(a) Positive
(b) Negative
(c) Increasing
(d) Zero
42. A ball is dropped from the highest of the tower. the space covered by it within the first second is:
(a) 100m
(b) 10m
(c) 50m
(d) 5m
43. If a car is moving with uniform speed in a circle then its velocity will be:
(a) Uniform
(b) Variable
(c) Zero
(d) None of the above
44. There are equations of motion which are wont to solve the issues about the motion of bodies:
(a) 1
(b) 2
(c) 3
(d) 4
45. An object has translatory motion if it moves along a:
(a) Straight line
(b) circle
(c) line without rotation
(d) Curved path
46. The motion around an axis of a body is known as which motion?
(a) Circular
(b) Rotatory
(c) Vibratory
(d) Random
47. Which among the following is a vector quantity?
(a) Speed
(b) distance
(c) Displacement
(d) power
5ms”
48. By dividing displacement of a moving object with time, we will obtain:
(a) Speed
(b) Acceleration
(c) Velocity
(d) Deceleration
49. A change in position is called:
(a) Speed
(b) Velocity
(c) Displacement
(d) Distance
50. A train is moving at a speed of 36kmh”. Its speed expressed in ms is:
(a) 10 ms-1
(b) 25 ms-1
(c) 20 ms -1
(d) 30 ms-1
51. A ball is thrown vertically upward, its velocity at the highest point is:
(a) -10mS-¹
(b) 10mS-¹
(c) Zero
(d) 100mS-¹
52. The motion of a body about an axis is called_____________.
(a) Circular Motion
(b) Vibratory Motion
(c) Rotational Motion
(d) Random Motion
53. The motion of a body in a straight line is ________.
(a) Random motion
(b) Circular motion
(c) Linear motion
(d) Translatory motion
54. . A type of motion in which a body moves about its own axis is called:
(a) Vibratory motion
(b) Rotatory Motion
(c) Circular Motion
(d) Random Motion
55. A train is moving at a speed of 55. Kmh-¹. Its speed expressed in ms-¹ will be:
(a) 10ms-¹
(b) 20ms-¹
(c) 25ms-¹
(d) 30ms-¹
56. Brownian motion is an example of:
(a) Random motion
(b) Linear motion
(c)Circular motion
(d)Vibratory motion
on in the proper direction is called:
(a) Speed
(b) Velocity
(c) Displacement
(d) Distance
57. The number of perpendicular components of a force is:
(a) 3
(b) 1
(c) 2
(d) 4
(c) 2
58. The motion of insects is called:
(a) random motion
(b) circular motion
(c) rotatory motion
(d) vibratory motion
59. The to and fro motion of a body about its mean position is called:
(a) Rotatory motion
(b) Random motion
(c) Vibratory motion
(d) Circular motion