Here are some sample MCQs of Physics. These Multiple Choice Questions are given for learning purposes as well as to create an idea for candidates before appearing in the exam.
1. What is the SI unit of mass?
a) Kilogram
b) Gram
c) Pound
d) Liter
2. Which of the following is a derived quantity?
a) Length
b) Mass
c) Volume
d) Time
3. Boyle’s law relates the pressure and volume of a gas at constant:
a) Temperature
b) Density
c) Mass
d) Velocity
4. Which instrument is used to measure temperature?
a) Thermometer
b) Barometer
c) Manometer
d) Hygrometer
5. The precision of a measuring instrument refers to:
a) How close the measured values are to each other
b) How close the measured value is to the true value
c) How small the increments are on the scale
d) How large the measurements can be made
6. Which of the following quantities is a vector?
a) Speed
b) Distance
c) Velocity
d) Displacement
7. What does the slope of a velocity-time graph represent?
a) Acceleration
b) Displacement
c) Speed
d) Distance
8. An object moving at a constant speed has:
a) Zero acceleration
b) Positive acceleration
c) Negative acceleration
d) Constant acceleration
9. If an object is accelerating, what can be said about its velocity?
a) It is decreasing
b) It is increasing
c) It is a constant
d) It is zero
10. Newton’s first law of motion is also known as the law of:
a) Inertia
b) Action and reaction
c) Acceleration
d) Gravitation
11. What is the unit of force in the SI system?
a) Newton
b) Joule
c) Watt
d) Pascal
12. When the net force acting on an object is zero, it is in:
a) Motion
b) Equilibrium
c) Acceleration
d) Free fall
13. According to Newton’s second law of motion, force is equal to:
a) Mass times acceleration
b) Mass divided by acceleration
c) Acceleration divided by mass
d) Mass times velocity
14. Which of the following is a contact force?
a) Gravitational force
b) Electrostatic force
c) Tension
d) Magnetic force
15. Torque is a measure of:
a) Linear motion
b) Circular motion
c) Rectilinear motion
d) Vibrational motion
16. The moment arm is the perpendicular distance from the:
a) Axis of rotation to the force
b) Force to the pivot point
c) Axis of rotation to the pivot point
d) Force to the axis of rotation
17. To increase torque, you can:
a) Increase the force
b) Decrease the force
c) Increase the moment arm
d) Decrease the moment arm
18. Which of the following would increase the stability of an object?
a) Lowering its center of gravity
b) Raising its center of gravity
c) Increasing its mass
d) Decreasing its mass
19. When a metal spoon is placed in a hot cup of tea and becomes hot, heat is transferred through the process of:
a) Conduction
b) Convection
c) Radiation
d) Insulation
20. The turning effect of a force is also known as:
a) Linear momentum
b) Angular momentum
c) Rotational inertia
d) Centripetal force
21. What causes objects to fall to the ground?
a) Magnetism
b) Gravitational force
c) Electrostatic force
d) Nuclear force
22. The force of gravity between two objects depends on:
a) Their masses and the distance between them
b) Their velocities
c) Their sizes
d) Their densities
23. The gravitational force between two objects increases with:
a) Decrease in mass
b) Decrease in distance
c) Increase in mass
d) Increase in velocity
24. The acceleration due to gravity on the surface of the Earth is approximately:
a) 9.8 m/s²
b) 6.7 m/s²
c) 3.0 m/s²
d) 1.6 m/s²
25. Which law states that every particle attracts every other particle in the universe with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers?
a) Newton’s first law
b) Newton’s second law
c) Newton’s third law
d) Law of universal gravitation
26. Work is defined as the product of:
a) Force and velocity
b) Force and displacement
c) Mass and acceleration
d) Mass and velocity
27. The SI unit of work is the:
a) Joule
b) Newton
c) Watt
d) Kilogram-meter
28. Power is defined as the rate of doing:
a) Work
b) Energy
c) Force
d) Acceleration
29. Kinetic energy depends on:
a) Mass and height
b) Mass and speed
c) Speed and height
d) Speed and time
30. Which form of energy is associated with the position of an object?
a) Kinetic energy
b) Potential energy
c) Thermal energy
d) Electrical energy
31. What property of matter allows it to be compressed into a smaller volume?
a) Density
b) Elasticity
c) Compressibility
d) Inertia
32. The ability of a material to return to its original shape after being stretched or compressed is called:
a) Density
b) Elasticity
c) Brittleness
d) Ductility
33. Which of the following is a physical property of matter?
a) Density
b) Melting point
c) Conductivity
d) All of the above
34. When a substance changes from a solid to a liquid, it undergoes:
a) Sublimation
b) Condensation
c) Melting
d) Freezing
35. Which of the following materials is a good conductor of heat?
a) Rubber
b) Plastic
c) Copper
d) Styrofoam
36. A vacuum flask is designed to minimize heat transfer by:
a) Conduction
b) Convection
c) Radiation
d) Insulation
37. Heat transfer by radiation does not require:
a) A medium
b) Direct contact between objects
c) Motion of particles
d) High temperatures
38. Which of the following statements is true regarding heat transfer in a vacuum?
a) Conduction is the dominant mode of heat transfer
b) Convection is the dominant mode of heat transfer
c) Radiation is the only mode of heat transfer
d) Heat transfer cannot occur in a vacuum
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