This comprehensive set of MCQs on basic physics is designed to cover all essential topics necessary for understanding the fundamental principles of physics. Focused on key subjects such as mechanics, thermodynamics, waves, and electricity, these MCQs aim to help students build a strong foundation in the concepts that underpin the physical sciences.
Who should practice basic physics MCQs?
• Students preparing for entry into various academic programs that require a solid understanding of physics principles.
• Individuals targeting high-yield topics such as motion, energy, forces, and fundamental laws of physics.
• Anyone looking to strengthen their foundational knowledge of scientific concepts related to the physical world.
• Candidates preparing for aptitude tests that cover physics concepts, including engineering and science entrance exams.
• Those focused on developing critical thinking and problem-solving skills specific to physics applications.
• Suitable for all students eager to improve their understanding of basic physics and enhance their academic performance in related subjects.
1. What is the SI unit of force?
a) Newton (N)
b) Watt (W)
c) Joule (J)
d) Pascal (Pa)
Answer: a) Newton (N)
2. Which of the following is a vector quantity?
a) Speed
b) Distance
c) Acceleration
d) Time
Answer: c) Acceleration
3. What is the acceleration due to gravity on the surface of the Earth?
a) 9.8 m/s²
b) 10 m/s²
c) 8.8 m/s²
d) 11 m/s²
Answer: a) 9.8 m/s
4. What is the SI unit of work and energy?
a) Newton (N)
b) Joule (J)
c) Watt (W)
d) Kilogram (kg)
Answer: b) Joule (J)
5. According to Newton’s second law of motion, force is equal to:
a) Mass × Acceleration
b) Mass ÷ Acceleration
c) Acceleration × Velocity
d) Velocity ÷ Time
Answer: a) Mass × Acceleration
6. What is the SI unit of power?
a) Watt (W)
b) Joule (J)
c) Newton (N)
d) Pascal (Pa)
Answer: a) Watt (W)
7. Which of the following is a scalar quantity?
a) Velocity
b) Mass
c) Acceleration
d) Force
Answer: b) Mass
8. What is the formula for calculating density?
a) Density = mass × volume
b) Density = volume / mass
c) Density = mass / volume
d) Density = mass + volume
Answer: c) Density = mass / volume
9. What is the unit of electric charge?
a) Volt (V)
b) Ampere (A)
c) Coulomb (C)
d) Ohm (Ω)
Answer: c) Coulomb (C)
10. What is the SI unit of frequency?
a) Hertz (Hz)
b) Joule (J)
c) Pascal (Pa)
d) Newton (N)
Answer: a) Hertz (Hz)
11. What is the SI unit of electric potential difference?
a) Volt (V)
b) Ampere (A)
c) Coulomb (C)
d) Ohm (Ω)
Answer: a) Volt (V)
12. What is the unit of electric current?
a) Volt (V)
b) Ampere (A)
c) Coulomb (C)
d) Ohm (Ω)
Answer: b) Ampere (A)
13. What is the SI unit of resistance?
a) Volt (V)
b) Ampere (A)
c) Coulomb (C)
d) Ohm (Ω)
Answer: d) Ohm (Ω)
14. What is the SI unit of capacitance?
a) Volt (V)
b) Ampere (A)
c) Coulomb (C)
d) Farad (F)
Answer: d) Farad (F)
15. What is the SI unit of magnetic flux density?
a) Tesla (T)
b) Weber (Wb)
c) Henry (H)
d) Gauss (G)
Answer: a) Tesla (T)
16. What is the SI unit of magnetic flux?
a) Tesla (T)
b) Weber (Wb)
c) Henry (H)
d) Gauss (G)
Answer: b) Weber (Wb)
17. What is the SI unit of inductance?
a) Tesla (T)
b) Weber (Wb)
c) Henry (H)
d) Gauss (G)
Answer: c) Henry (H)
18. What is the SI unit of frequency?
a) Hertz (Hz)
b) Joule (J)
c) Pascal (Pa)
d) Newton (N)
Answer: a) Hertz (Hz)
19. What is the formula for calculating gravitational force between two masses?
a) F = G × m1 × m2 / r^2
b) F = G × m1 + m2 × r^2
c) F = G × m1 × m2 × r^2
d) F = G × m1 – m2 / r^2
Answer: a) F = G × m1 × m2 / r^2
20. What is the SI unit of pressure?
a) Pascal (Pa)
b) Newton (N)
c) Joule (J)
d) Watt (W)
Answer: a) Pascal (Pa)
21. What is the SI unit of torque?
a) Newton-meter (Nm)
b) Joule (J)
c) Pascal (Pa)
d) Watt (W)
Answer: a) Newton-meter (Nm)
22. What is the SI unit of magnetic field strength?
a) Tesla (T)
b) Weber (Wb)
c) Henry (H)
d) Ampere per meter (A/m)
Answer: d) Ampere per meter (A/m)
23. What is the SI unit of angular velocity?
a) Radian per second (rad/s)
b) Hertz (Hz)
c) Newton (N)
d) Pascal (Pa)
Answer: a) Radian per second (rad/s)
24. What is the formula for calculating momentum?
a) Momentum = mass × velocity
b) Momentum = mass / velocity
c) Momentum = mass + velocity
d) Momentum = mass – velocity
Answer: a) Momentum = mass × velocity
25. What is the SI unit of impulse?
a) Newton-second (N·s)
b) Joule (J)
c) Pascal (Pa)
d) Watt (W)
Answer: a) Newton-second (N·s)
26. What is the formula for calculating electric power?
a) Power = Voltage × Current
b) Power = Voltage / Current
c) Power = Voltage + Current
d) Power = Voltage – Current
Answer: a) Power = Voltage × Current
27. What is the SI unit of electric power?
a) Watt (W)
b) Volt (V)
c) Ampere (A)
d) Coulomb (C)
Answer: a) Watt (W)
28. What is the SI unit of energy?
a) Joule (J)
b) Newton (N)
c) Watt (W)
d) Ampere (A)
Answer: a) Joule (J)
29. What is the SI unit of angular momentum?
a) Joule-second (J·s)
b) Newton-second (N·s)
c) Radian per second (rad/s)
d) Kilogram-meter squared per second (kg·m²/s)
Answer: d) Kilogram-meter squared per second (kg·m²/s)
30. What is the SI unit of angular acceleration?
a) Radian per second squared (rad/s²)
b) Hertz (Hz)
c) Newton (N)
d) Pascal (Pa)
Answer: a) Radian per second squared (rad/s²)
31. What is the SI unit of electric resistance?
a) Volt (V)
b) Ampere (A)
c) Coulomb (C)
d) Ohm (Ω)
Answer: d) Ohm (Ω)
32. What is the SI unit of magnetic flux?
a) Volt-second (V·s)
b) Weber (Wb)
c) Henry (H)
d) Tesla (T)
Answer: b) Weber (Wb)
33. What is the SI unit of electric potential?
a) Volt (V)
b) Ampere (A)
c) Coulomb (C)
d) Ohm (Ω)
Answer: a) Volt (V)
34. Which of the following statements is true about Newton’s third law of motion?
a) For every action, there is an equal and opposite reaction
b) An object at rest will stay at rest unless acted upon by an external force
c) Force is equal to mass times acceleration
d) Energy cannot be created or destroyed, only transformed
Answer: a) For every action, there is an equal and opposite reaction
35. What is the SI unit of frequency?
a) Hertz (Hz)
b) Newton (N)
c) Pascal (Pa)
d) Joule (J)
Answer: a) Hertz (Hz)
36. What is the SI unit of electric current?
a) Volt (V)
b) Ampere (A)
c) Coulomb (C)
d) Ohm (Ω)
Answer: b) Ampere (A)
37. What is the SI unit of magnetic field strength?
a) Weber (Wb)
b) Tesla (T)
c) Henry (H)
d) Ampere per meter (A/m)
Answer: d) Ampere per meter (A/m)
38. What is the SI unit of torque?
a) Newton-meter (Nm)
b) Joule (J)
c) Pascal (Pa)
d) Watt (W)
Answer: a) Newton-meter (Nm)
39. What is the formula for calculating electric power?
a) Power = Voltage × Current
b) Power = Voltage / Current
c) Power = Voltage + Current
d) Power = Voltage – Current
Answer: a) Power = Voltage × Current
40. What is the SI unit of pressure?
a) Pascal (Pa)
b) Newton (N)
c) Joule (J)
d) Watt (W)
Answer: a) Pascal (Pa)
41. What is the SI unit of work?
a) Joule (J)
b) Newton (N)
c) Watt (W)
d) Ampere (A)
Answer: a) Joule (J)
42. What is the SI unit of energy?
a) Joule (J)
b) Newton (N)
c) Watt (W)
d) Ampere (A)
Answer: a) Joule (J)
43. What is the SI unit of angular momentum?
a) Joule-second (J·s)
b) Newton-second (N·s)
c) Radian per second (rad/s)
d) Kilogram-meter squared per second (kg·m²/s)
Answer: d) Kilogram-meter squared per second (kg·m²/s)
44. What is the SI unit of angular acceleration?
a) Radian per second squared (rad/s²)
b) Hertz (Hz)
c) Newton (N)
d) Pascal (Pa)
Answer: a) Radian per second squared (rad/s²)
45. What is the formula for calculating momentum?
a) Momentum = mass × velocity
b) Momentum = mass / velocity
c) Momentum = mass + velocity
d) Momentum = mass – velocity
Answer: a) Momentum = mass × velocity
46. What is the formula for calculating the gravitational force between two masses?
a) F = G × m1 × m2 / r^2
b) F = G × m1 + m2 × r^2
c) F = G × m1 × m2 × r^2
d) F = G × m1 – m2 / r^2
Answer: a) F = G × m1 × m2 / r^2
47. What is the SI unit of magnetic flux density?
a) Tesla (T)
b) Weber (Wb)
c) Henry (H)
d) Gauss (G)
Answer: a) Tesla (T)
48. What is the SI unit of inductance?
a) Tesla (T)
b) Weber (Wb)
c) Henry (H)
d) Gauss (G)
Answer: c) Henry (H)
49. What is the SI unit of capacitance?
a) Volt (V)
b) Ampere (A)
c) Coulomb (C)
d) Farad (F)
Answer: d) Farad (F)
50. What is the SI unit of electric power?
a) Watt (W)
b) Volt (V)
c) Ampere (A)
d) Coulomb (C)
Answer: a) Watt (W)
51. What is the SI unit of angular velocity?
a) Radian per second (rad/s)
b) Hertz (Hz)
c) Newton (N)
d) Pascal (Pa)
Answer: a) Radian per second (rad/s)
52. What is the SI unit of impulse?
a) Newton-second (N·s)
b) Joule (J)
c) Pascal (Pa)
d) Watt (W)
Answer: a) Newton-second (N·s)
53. What is the SI unit of electric power?
a) Watt (W)
b) Volt (V)
c) Ampere (A)
d) Coulomb (C)
Answer: a) Watt (W)
54. What is the SI unit of energy?
a) Joule (J)
b) Newton (N)
c) Watt (W)
d) Ampere (A)
Answer: a) Joule (J)
55. What is the SI unit of angular momentum?
a) Joule-second (J·s)
b) Newton-second (N·s)
c) Radian per second (rad/s)
d) Kilogram-meter squared per second (kg·m²/s)
Answer: d) Kilogram-meter squared per second (kg·m²/s)
56. What is the SI unit of angular acceleration?
a) Radian per second squared (rad/s²)
b) Hertz (Hz)
c) Newton (N)
d) Pascal (Pa)
Answer: a) Radian per second squared (rad/s²)
57. What is the formula for calculating momentum?
a) Momentum = mass × velocity
b) Momentum = mass / velocity
c) Momentum = mass + velocity
d) Momentum = mass – velocity
Answer: a) Momentum = mass × velocity
58. What is the formula for calculating gravitational force between two masses?
a) F = G × m1 × m2 / r^2
b) F = G × m1 + m2 × r^2
c) F = G × m1 × m2 × r^2
d) F = G × m1 – m2 / r^2
Answer: a) F = G × m1 × m2 / r^2
59. What is the SI unit of magnetic flux density?
a) Tesla (T)
b) Weber (Wb)
c) Henry (H)
d) Gauss (G)
Answer: a) Tesla (T)
60. What is the SI unit of inductance?
a) Tesla (T)
b) Weber (Wb)
c) Henry (H)
d) Gauss (G)
Answer: c) Henry (H)
61. What is the SI unit of frequency?
a) Hertz (Hz)
b) Newton (N)
c) Pascal (Pa)
d) Joule (J)
Answer: a) Hertz (Hz)
62. What is the formula for calculating kinetic energy?
a) KE = 0.5mv²
b) KE = mv
c) KE = m / v
d) KE = m + v
Answer: a) KE = 0.5mv²
63. According to Newton’s third law of motion, if object A exerts a force on object B, the reaction force exerted by object B on object A is:
a) Greater in magnitude
b) Equal in magnitude
c) Lesser in magnitude
d) In opposite direction
Answer: b) Equal in magnitude
64. What is the SI unit of pressure?
a) Pascal (Pa)
b) Newton (N)
c) Joule (J)
d) Watt (W)
Answer: a) Pascal (Pa)
65. What is the SI unit of work?
a) Joule (J)
b) Newton (N)
c) Watt (W)
d) Ampere (A)
Answer: a) Joule (J)
66. What is the formula for calculating gravitational force between two masses?
a) F = G × m1 × m2 / r^2
b) F = G × m1 + m2 × r^2
c) F = G × m1 × m2 × r^2
d) F = G × m1 – m2 / r^2
Answer: a) F = G × m1 × m2 / r^2
67. What is the SI unit of magnetic flux density?
a) Tesla (T)
b) Weber (Wb)
c) Henry (H)
d) Gauss (G)
Answer: a) Tesla (T)
68. What is the formula for calculating electric power?
a) Power = Voltage × Current
b) Power = Voltage / Current
c) Power = Voltage + Current
d) Power = Voltage – Current
Answer: a) Power = Voltage × Current
69. What is the SI unit of energy?
a) Joule (J)
b) Newton (N)
c) Watt (W)
d) Ampere (A)
Answer: a) Joule (J)
70. What is the SI unit of angular momentum?
a) Joule-second (J·s)
b) Newton-second (N·s)
c) Radian per second (rad/s)
d) Kilogram-meter squared per second (kg·m²/s)
Answer: d) Kilogram-meter squared per second (kg·m²/s)
71. What is the SI unit of angular acceleration?
a) Radian per second squared (rad/s²)
b) Hertz (Hz)
c) Newton (N)
d) Pascal (Pa)
Answer: a) Radian per second squared (rad/s²)
72. What is the formula for calculating momentum?
a) Momentum = mass × velocity
b) Momentum = mass / velocity
c) Momentum = mass + velocity
d) Momentum = mass – velocity
Answer: a) Momentum = mass × velocity
73. What is the SI unit of impulse?
a) Newton-second (N·s)
b) Joule (J)
c) Pascal (Pa)
d) Watt (W)
Answer: a) Newton-second (N·s)
74. What is the SI unit of electric power?
a) Watt (W)
b) Volt (V)
c) Ampere (A)
d) Coulomb (C)
Answer: a) Watt (W)
75. What is the formula for calculating work?
a) Work = Force × Time
b) Work = Force / Time
c) Work = Force × Distance
d) Work = Force / Distance
Answer: c) Work = Force × Distance
76. What is the formula for calculating electric charge?
a) Charge = Current × Time
b) Charge = Current / Time
c) Charge = Current × Resistance
d) Charge = Current / Resistance
Answer: a) Charge = Current × Time
77. What is the formula for calculating power?
a) Power = Work / Time
b) Power = Work × Time
c) Power = Work / Force
d) Power = Work × Force
Answer: a) Power = Work / Time
78. What is the formula for calculating pressure?
a) Pressure = Force / Area
b) Pressure = Force × Area
c) Pressure = Force × Distance
d) Pressure = Force / Distance
Answer: a) Pressure = Force / Area
79. What is the formula for calculating mechanical advantage in a simple machine?
a) MA = Output Force / Input Force
b) MA = Input Force / Output Force
c) MA = Output Force × Input Force
d) MA = Output Force – Input Force
Answer: a) MA = Output Force / Input Force