Physic 11th Test-NFAT (Physical World, Unit and Measurements, Motion in a straight Line, Motion in a Plane)

NCERT Class 11 Physics Mock Test 2025

Physics (100 Questions)

1. The branch of physics that deals with the study of macroscopic objects is called:

A) Mechanics

B) Thermodynamics

C) Quantum Physics

D) Electrodynamics

2. Which of the following is a fundamental force in nature?

A) Frictional force

B) Gravitational force

C) Tension force

D) Viscous force

3. The scientific method primarily relies on:

A) Intuition

B) Guesswork

C) Observation and experimentation

D) Assumptions

4. The study of physical phenomena at very low temperatures is called:

A) Cryogenics

B) Astrophysics

C) Biophysics

D) Optics

5. Which force is responsible for holding the nucleus together?

A) Electromagnetic force

B) Strong nuclear force

C) Weak nuclear force

D) Gravitational force

6. The SI unit of force is:

A) Joule

B) Watt

C) Newton

D) Pascal

7. The dimensional formula of velocity is:

A) [L T\(^{-1}\)]

B) [L\(^2\) T\(^{-1}\)]

C) [L T\(^{-2}\)]

D) [L\(^2\) T\(^{-2}\)]

8. A physical quantity with only magnitude is called:

A) Vector

B) Scalar

C) Tensor

D) Unit

9. The least count of a vernier caliper with 10 divisions on the vernier scale and main scale division of 1 mm is:

A) 0.01 mm

B) 0.1 mm

C) 0.1 mm

D) 1 mm

10. The unit of plane angle in the SI system is:

A) Radian

B) Degree

C) Steradian

D) Grad

11. The dimensional formula of force is:

A) [M L\(^2\) T\(^{-2}\)]

B) [M L T\(^{-2}\)]

C) [M L\(^2\) T\(^{-1}\)]

D) [M\(^2\) L T\(^{-2}\)]

12. Which of the following is a derived unit?

A) Newton

B) Kilogram

C) Second

D) Meter

13. The error in measuring a length of 10 cm with a scale of least count 0.1 cm is:

A) ±0.01 cm

B) ±0.05 cm

C) ±0.1 cm

D) ±1 cm

14. The number of significant figures in 0.00340 is:

A) 2

B) 3

C) 4

D) 5

15. The SI unit of work is equivalent to:

A) kg m\(^2\) s\(^{-2}\)

B) kg m s\(^{-2}\)

C) kg m\(^2\) s\(^{-1}\)

D) kg m s\(^{-1}\)

16. Which instrument is used to measure the diameter of a thin wire?

A) Ruler

B) Meter scale

C) Screw gauge

D) Spherometer

17. The dimensional formula of acceleration is:

A) [L T\(^{-1}\)]

B) [L T\(^{-2}\)]

C) [L\(^2\) T\(^{-2}\)]

D) [L T\(^{-3}\)]

18. The SI unit of luminous intensity is:

A) Candela

B) Lumen

C) Lux

D) Watt

19. The percentage error in a measurement of 50 m with an error of 0.5 m is:

A) 0.5%

B) 0.1%

C) 1%

D) 2%

20. The unit of angular velocity is:

A) m/s

B) rad/s

C) m/s\(^2\)

D) rad/s\(^2\)

21. The average speed of a car traveling 100 km in 2 hours is:

A) 50 km/h

B) 25 km/h

C) 100 km/h

D) 200 km/h

22. A body moves with constant velocity of 10 m/s. What is its acceleration?

A) 10 m/s\(^2\)

B) 0 m/s\(^2\)

C) 5 m/s\(^2\)

D) 20 m/s\(^2\)

23. A car accelerates uniformly from rest to 20 m/s in 5 s. What is its acceleration?

A) 2 m/s\(^2\)

B) 3 m/s\(^2\)

C) 4 m/s\(^2\)

D) 5 m/s\(^2\)

24. A body travels 40 m in 8 s with constant speed. What is its speed?

A) 5 m/s

B) 10 m/s

C) 8 m/s

D) 4 m/s

25. The slope of a velocity-time graph gives:

A) Displacement

B) Acceleration

C) Distance

D) Speed

26. A ball is dropped from a height of 20 m (\( g = 10 \, \text{m/s}^2 \)). What is its velocity just before hitting the ground?

A) 10 m/s

B) 15 m/s

C) 20 m/s

D) 25 m/s

27. The area under a velocity-time graph represents:

A) Displacement

B) Acceleration

C) Speed

D) Force

28. A car travels 60 km in 1 hour and then 40 km in 1 hour. What is its average speed?

A) 50 km/h

B) 50 km/h

C) 60 km/h

D) 40 km/h

29. A body moves with uniform acceleration of 2 m/s\(^2\). If it starts from rest, what is its velocity after 5 s?

A) 5 m/s

B) 8 m/s

C) 10 m/s

D) 12 m/s

30. A stone is thrown upwards with a speed of 15 m/s (\( g = 10 \, \text{m/s}^2 \)). What is the maximum height reached?

A) 11.25 m

B) 22.5 m

C) 15 m

D) 7.5 m

31. The equation of motion relating velocity, acceleration, and time is:

A) \( s = ut + \frac{1}{2}at^2 \)

B) \( v = u + at \)

C) \( v^2 = u^2 + 2as \)

D) \( s = \frac{1}{2}(u + v)t \)

32. A body moves 10 m in the first 2 s and 20 m in the next 2 s with uniform acceleration. What is its acceleration?

A) 1 m/s\(^2\)

B) 2 m/s\(^2\)

C) 2.5 m/s\(^2\)

D) 3 m/s\(^2\)

33. The relative velocity of a car moving at 60 km/h towards a truck moving at 40 km/h in the opposite direction is:

A) 100 km/h

B) 20 km/h

C) 60 km/h

D) 40 km/h

34. A ball is dropped from a height of 45 m (\( g = 10 \, \text{m/s}^2 \)). How long does it take to reach the ground?

A) 2 s

B) 3 s

C) 4 s

D) 5 s

35. A body starts from rest and moves with an acceleration of 3 m/s\(^2\). What is the distance covered in 4 s?

A) 12 m

B) 24 m

C) 24 m

D) 48 m

36. The slope of a position-time graph gives:

A) Velocity

B) Acceleration

C) Distance

D) Displacement

37. A car decelerates uniformly from 20 m/s to rest in 10 s. What is its acceleration?

A) -1 m/s\(^2\)

B) -2 m/s\(^2\)

C) -3 m/s\(^2\)

D) -4 m/s\(^2\)

38. A body moves with constant speed of 5 m/s for 10 s. What is the distance covered?

A) 25 m

B) 40 m

C) 50 m

D) 60 m

39. A stone is thrown vertically upward with a speed of 20 m/s (\( g = 10 \, \text{m/s}^2 \)). What is the time to reach the maximum height?

A) 2 s

B) 3 s

C) 4 s

D) 1 s

40. The velocity of a body after 3 s, starting from rest with an acceleration of 4 m/s\(^2\), is:

A) 8 m/s

B) 12 m/s

C) 16 m/s

D) 20 m/s

41. A vector has magnitude 5 units and makes an angle of 60° with the x-axis. Its x-component is:

A) 2.5 units

B) 5 units

C) 4.33 units

D) 3 units

42. The angle between two vectors \( \vec{A} = 3\hat{i} + 4\hat{j} \) and \( \vec{B} = 4\hat{i} - 3\hat{j} \) is:

A) 0°

B) 45°

C) 90°

D) 180°

43. A projectile is launched at an angle of 45° with a speed of 20 m/s (\( g = 10 \, \text{m/s}^2 \)). What is its range?

A) 20 m

B) 40 m

C) 60 m

D) 80 m

44. The magnitude of the vector \( \vec{A} = 2\hat{i} + 3\hat{j} \) is:

A) \(\sqrt{13}\) units

B) 5 units

C) \(\sqrt{5}\) units

D) 13 units

45. A body moves with a velocity \( \vec{v} = 3\hat{i} + 4\hat{j} \, \text{m/s} \). What is its speed?

A) 3 m/s

B) 4 m/s

C) 5 m/s

D) 7 m/s

46. The time of flight of a projectile launched at 30° with a speed of 10 m/s (\( g = 10 \, \text{m/s}^2 \)) is:

A) 1 s

B) 1 s

C) 2 s

D) 3 s

47. The dot product of two perpendicular vectors is:

A) Zero

B) One

C) Negative

D) Positive

48. A projectile reaches its maximum height in 2 s (\( g = 10 \, \text{m/s}^2 \)). What is its initial vertical velocity?

A) 10 m/s

B) 15 m/s

C) 20 m/s

D) 25 m/s

49. The cross product of two vectors gives a:

A) Scalar

B) Vector

C) Tensor

D) Zero

50. A projectile is launched with a speed of 20 m/s at 60° (\( g = 10 \, \text{m/s}^2 \)). What is its maximum height?

A) 15 m

B) 30 m

C) 10 m

D) 20 m

51. The resultant of two vectors of equal magnitude 5 units making an angle of 120° is:

A) 5 units

B) 10 units

C) 5 units

D) 7.5 units

52. A body moves with a velocity \( \vec{v} = 2\hat{i} - 3\hat{j} \, \text{m/s} \). What is the angle with the x-axis?

A) 45°

B) 123.7°

C) 90°

D) 180°

53. The horizontal range of a projectile is maximum when the angle of projection is:

A) 45°

B) 30°

C) 60°

D) 90°

54. The unit vector along \( \vec{A} = 3\hat{i} + 4\hat{j} \) is:

A) \( \frac{3\hat{i} + 4\hat{j}}{25} \)

B) \( \frac{3\hat{i} + 4\hat{j}}{7} \)

C) \( \frac{3\hat{i} + 4\hat{j}}{5} \)

D) \( 3\hat{i} + 4\hat{j} \)

55. A projectile has a range of 40 m and time of flight 2 s (\( g = 10 \, \text{m/s}^2 \)). What is its initial speed?

A) 10 m/s

B) 20 m/s

C) 30 m/s

D) 40 m/s

56. The scalar product of \( \vec{A} = 2\hat{i} + \hat{j} \) and \( \vec{B} = \hat{i} + 2\hat{j} \) is:

A) 4

B) 3

C) 5

D) 6

57. A body moves in a circle of radius 5 m with a speed of 10 m/s. What is its centripetal acceleration?

A) 10 m/s\(^2\)

B) 15 m/s\(^2\)

C) 20 m/s\(^2\)

D) 25 m/s\(^2\)

58. The time of flight of a projectile depends on:

A) Horizontal velocity only

B) Vertical velocity only

C) Both horizontal and vertical velocities

D) Neither horizontal nor vertical velocity

59. The resultant of two vectors \( \vec{A} = 4\hat{i} \) and \( \vec{B} = 3\hat{j} \) is:

A) \( 4\hat{i} + 3\hat{j} \)

B) \( 4\hat{i} - 3\hat{j} \)

C) \( 3\hat{i} + 4\hat{j} \)

D) \( 3\hat{i} - 4\hat{j} \)

60. A projectile is launched at 45° with a speed of 10 m/s (\( g = 10 \, \text{m/s}^2 \)). What is its time of flight?

A) 1 s

B) 1.41 s

C) 1.41 s

D) 2 s

61. The magnitude of the cross product of two vectors is maximum when the angle between them is:

A) 0°

B) 90°

C) 45°

D) 180°

62. A body moves in a circle of radius 2 m with an angular velocity of 4 rad/s. What is its linear speed?

A) 8 m/s

B) 4 m/s

C) 2 m/s

D) 16 m/s

63. A projectile has a maximum height of 10 m and a range of 20 m (\( g = 10 \, \text{m/s}^2 \)). What is its angle of projection?

A) 30°

B) 60°

C) 45°

D) 90°

64. The vector \( \vec{A} = 2\hat{i} + 2\hat{j} \) makes an angle with the x-axis of:

A) 30°

B) 45°

C) 60°

D) 90°

65. The centripetal force required for a body of mass 2 kg moving in a circle of radius 5 m with a speed of 10 m/s is:

A) 40 N

B) 20 N

C) 80 N

D) 60 N

66. The vertical component of a velocity vector of 10 m/s making an angle of 30° with the horizontal is:

A) 8.66 m/s

B) 10 m/s

C) 5 m/s

D) 7.5 m/s

67. The range of a projectile is equal to its maximum height when the angle of projection is:

A) 30°

B) \(\tan^{-1}(4)\)

C) 45°

D) 60°

68. The resultant of two vectors \( \vec{A} = 5\hat{i} \) and \( \vec{B} = 5\hat{i} \) is:

A) 10 units

B) 5 units

C) 0 units

D) 7.07 units

69. A body moves in a circular path of radius 10 m with a centripetal acceleration of 5 m/s\(^2\). What is its speed?

A) 5 m/s

B) 10 m/s

C) 7.07 m/s

D) 15 m/s

70. The angle between \( \vec{A} = \hat{i} + \hat{j} \) and \( \vec{B} = \hat{i} - \hat{j} \) is:

A) 45°

B) 90°

C) 0°

D) 180°

71. A projectile is launched with a speed of 10 m/s at 45° (\( g = 10 \, \text{m/s}^2 \)). What is its maximum height?

A) 2.5 m

B) 5 m

C) 7.5 m

D) 10 m

72. The unit vector in the direction of \( \vec{A} = 4\hat{i} + 3\hat{j} \) is:

A) \( \frac{4\hat{i} + 3\hat{j}}{25} \)

B) \( \frac{4\hat{i} + 3\hat{j}}{7} \)

C) \( \frac{4\hat{i} + 3\hat{j}}{5} \)

D) \( 4\hat{i} + 3\hat{j} \)

73. A body moves in a circle of radius 4 m with a speed of 8 m/s. What is its angular velocity?

A) 1 rad/s

B) 2 rad/s

C) 4 rad/s

D) 8 rad/s

74. The horizontal component of a velocity vector of 20 m/s at 60° is:

A) 10 m/s

B) 17.32 m/s

C) 20 m/s

D) 15 m/s

75. A projectile has a time of flight of 2 s and a range of 20 m (\( g = 10 \, \text{m/s}^2 \)). What is its initial speed?

A) 5 m/s

B) 10 m/s

C) 14.14 m/s

D) 20 m/s

76. The dot product of \( \vec{A} = 3\hat{i} + 4\hat{j} \) and \( \vec{B} = 2\hat{i} + \hat{j} \) is:

A) 5

B) 10

C) 15

D) 20

77. A body moves in a circular path with a constant speed. Its acceleration is:

A) Directed towards the center

B) Directed along the tangent

C) Zero

D) Directed outward

78. The maximum range of a projectile launched with a speed of 20 m/s (\( g = 10 \, \text{m/s}^2 \)) is:

A) 20 m

B) 40 m

C) 40 m

D) 80 m

79. The angle between \( \vec{A} = 2\hat{i} + 3\hat{j} \) and the x-axis is:

A) 30°

B) 56.3°

C) 45°

D) 60°

80. The centripetal force for a body of mass 1 kg moving in a circle of radius 2 m with a speed of 4 m/s is:

A) 8 N

B) 4 N

C) 16 N

D) 2 N

81. A projectile is launched with a speed of 15 m/s at 30° (\( g = 10 \, \text{m/s}^2 \)). What is its range?

A) 15 m

B) 19.5 m

C) 19.5 m

D) 30 m

82. The resultant of two vectors of magnitude 3 units and 4 units is 5 units. The angle between them is:

A) 0°

B) 90°

C) 45°

D) 180°

83. A body moves in a circle of radius 3 m with an angular velocity of 2 rad/s. What is its linear speed?

A) 6 m/s

B) 3 m/s

C) 9 m/s

D) 12 m/s

84. The time to reach the maximum height for a projectile launched at 60° with a speed of 20 m/s (\( g = 10 \, \text{m/s}^2 \)) is:

A) 1 s

B) 2 s

C) 1.73 s

D) 3 s

85. The cross product of \( \vec{A} = 2\hat{i} + \hat{j} \) and \( \vec{B} = \hat{i} + 2\hat{j} \) is:

A) 3\hat{k}

B) 3\hat{k}

C) -3\hat{k}

D) 0

86. A projectile has a maximum height of 5 m and a range of 20 m (\( g = 10 \, \text{m/s}^2 \)). What is its angle of projection?

A) \(\tan^{-1}(2)\)

B) \(\tan^{-1}(4)\)

C) 45°

D) 60°

87. The magnitude of the vector \( \vec{A} = 3\hat{i} - 4\hat{j} \) is:

A) 7 units

B) 12 units

C) 5 units

D) 9 units

88. A body moves in a circular path with a centripetal acceleration of 10 m/s\(^2\) and radius 5 m. What is its speed?

A) 5 m/s

B) 7.07 m/s

C) 10 m/s

D) 15 m/s

89. The angle between \( \vec{A} = 3\hat{i} + 3\hat{j} \) and the y-axis is:

A) 45°

B) 90°

C) 60°

D) 30°

90. A projectile is launched with a speed of 10 m/s at 60° (\( g = 10 \, \text{m/s}^2 \)). What is its range?

A) 5 m

B) 10 m

C) 8.66 m

D) 15 m

91. The centripetal force for a body of mass 3 kg moving in a circle of radius 6 m with a speed of 6 m/s is:

A) 18 N

B) 18 N

C) 36 N

D) 54 N

92. The vertical component of a velocity vector of 8 m/s at 45° is:

A) 5.66 m/s

B) 8 m/s

C) 4 m/s

D) 6 m/s

93. A body moves in a circle of radius 5 m with an angular velocity of 5 rad/s. What is its linear speed?

A) 10 m/s

B) 15 m/s

C) 25 m/s

D) 30 m/s

94. The time of flight of a projectile is 3 s and its maximum height is 11.25 m (\( g = 10 \, \text{m/s}^2 \)). What is its initial speed?

A) 10 m/s

B) 15 m/s

C) 20 m/s

D) 25 m/s

95. The dot product of \( \vec{A} = \hat{i} + 2\hat{j} \) and \( \vec{B} = 2\hat{i} + \hat{j} \) is:

A) 4

B) 3

C) 5

D) 6

96. A projectile has a range of 20 m and a time of flight of 2 s (\( g = 10 \, \text{m/s}^2 \)). What is its angle of projection?

A) 30°

B) 60°

C) 45°

D) 90°

97. The magnitude of the vector \( \vec{A} = -2\hat{i} + 3\hat{j} \) is:

A) 4 units

B) \(\sqrt{13}\) units

C) 5 units

D) 7 units

98. A body moves in a circle of radius 10 m with a centripetal acceleration of 20 m/s\(^2\). What is its speed?

A) 14.14 m/s

B) 10 m/s

C) 20 m/s

D) 5 m/s

99. The angle between \( \vec{A} = 4\hat{i} + 4\hat{j} \) and the x-axis is:

A) 30°

B) 60°

C) 45°

D) 90°

100. A projectile is launched with a speed of 20 m/s at 30° (\( g = 10 \, \text{m/s}^2 \)). What is its time of flight?

A) 1 s

B) 2 s

C) 3 s

D) 4 s

Test Results