- 1. 1. Physics contributes to economic growth through:
A) Analyzing historical events
B) Isolating chemical compounds
C) Monitoring social trends
D) Developing new materials
- 2. 2. Career opportunities in Physics include roles in:
A) Human resources
B) Scientific research and development
C) Agriculture
D) Banking and finance
- 3. 3. Speed is a derived quantity, derived from:
A) Mass and velocity
B) Force and time
C) Time and acceleration
D) Distance and time
- 4. 4. What does a spring balance measure?
A) Mass
B) Length
C) Weight
D) Volume
- 5. 5. What is the dimensional formula of force?
A) [M2LT-2
B) [MLT–2]
C) [MLT-1]
D) [ML-1T2]
- 6. 6. What causes an object to change its state of motion?
A) Gravity
B) Friction
C) Acceleration
D) Inertia
- 7. 7. A motorist travels from a town A to a town B, 145km distance in 3hr45mins. Find his average speed in m/s.
A) 38.7m/s
B) 10.7m/s
C) 8.5/s
D) 30.2m/s
- 8. 8.What is the direction of the centripetal force acting on an object moving in a circular path?
A) Towards the center
B) Opposite to the velocity
C) Tangential to the path
D) Away from the center
- 9. 9. In circular motion, what happens to the velocity of an object if the centripetal force is increased?
A) Velocity remains constant
B) Velocity increases
C) Velocity becomes zero
D) Velocity decreases
- 10. 10. Which quantity represents the rate of change of velocity with respect to time?
A) Speed
B) Displacement
C) Distance
D) Acceleration
- 11. 11. Dimensional analysis involves:
A) Analyzing the dimensions of physical quantities
B) Solving complex algebraic equations
C) Exploring the dimensions of parallel universes
D) Studying the dimension of space
- 12. 12. Newton's first law of motion states that an object will remain at rest unless acted upon by:
A) External Acceleration
B) External force
C) External Gravity
D) External Friction
- 13. 13. Non-uniform motion is characterized by changes in:
A) Direction
B) Speed
C) Both speed and direction
D) Neither speed nor direction
- 14. 14. Centrifugal force is a:
A) Unaffected force
B) Real force
C) Imaginary force
D) Balanced force
- 15. 15. Displacement differs from distance as it considers:
A) Magnitude only
B) Direction only
C) Both magnitude and direction
D) Speed and time
- 16. 16. A horizontal line on a distance-time graph indicates:
A) No motion
B) Constant acceleration
C) Uniform speed
D) Variable speed
- 17. 17. Acceleration is directly influenced by:
A) Force only
B) Velocity and time
C) Mass and force
D) Time only
- 18. 18. A body of mass 12kg moves with a speed of 10ms-1 in a circular path of radius 5m. Calculate the magnitude of the force acting on the body.
A) 240N
B) 335N
C) 24N
D) 125N
- 19. 19. A body moves along a circular path with uniform angular speed of 0.6 rads-1 and a t a constant speed of 3.0ms-1. Calculate the acceleration of the body towards the center of the circle.
A) 0.2ms-2
B) 25.0ms-2
C) 1.8ms-2
D) 5.4ms-2
- 20. 20. The SI unit of speed is __________
A) Metre per second (ms-1)
B) None of the above
C) Metre per radian (mrad-1)
D) Kilogram per second (Kg-1)
- 21. 21. An object of mass, 25kg moves at 5m/s round a circular path of radius, 5m. Calculate: (a) the centripetal acceleration (b) the centripetal force
A) 8m/s, 1.2N
B) 2.8m/s, 4.2N
C) 5m/s, 125N
D) 60m/s, 15N
- 22. 22. ____________ is the time rate of decrease in velocity.
A) Constant speed
B) Retardation/deceleration
C) Speed
D) Acceleration
- 23. 23. What is the distance covered by a car which travels with a constant speed of 20.8ms-1 for 30s?
A) 225.0m
B) 726.0m
C) 624.0m
D) 450.5m
- 24. 24. Brownian motion can also be regarded as __________
A) Relative motion
B) Translational rectilinear motion
C) Vibratory motion
D) Random motion
- 25. 25. ____________ causes motion.
A) Acceleration
B) Friction
C) Velocity
D) Force
- 26. 26. The following are fundamental quantities except __________
A) Temperature
B) Luminous intensity
C) Amount of substance
D) Power
- 27. 27. The S.I Unit of Energy is __________
A) Newton
B) Joule
C) Kelvin
D) Kilogram
- 28. 28. 360⁰ = ___________ rads
A) None of the above
B) π
C) π2
D) 2π
- 29. 29. What is rectilinear acceleration?
A) Acceleration in a curved path
B) Acceleration due to gravity
C) Acceleration in a straight line
D) Acceleration in a circular motion
- 30. 30. A car accelerates uniformly from rest to a speed of 20 m/s in 10 seconds. What is its acceleration?
A) 4 m/s2
B) 20 m/s2
C) 2 m/s2
D) 10 m/s2
- 31. 31. Which term indicates the shortest path between initial and final positions?
A) Speed
B) Displacement
C) Distance
D) Velocity
- 32. 32. What does the slope of a distance-time graph represent?
A) Acceleration
B) Velocity
C) Speed
D) Displacement
- 33. 33. The following are fundamental units except ____
A) Joule
B) Kelvin
C) Ampere
D) Candela
- 34. 34. The following instruments are used in measuring distance except _____
A) Metre rule
B) Vernier calliper
C) Chemical balance
D) Micro-meter screw guage
- 35. 35. A car travelled a distance of 4km in 40 secs. Find the speed in metre per second (m/s).
A) 100m/s
B) 0.1m/s
C) 10m/s
D) 100m/s
- 36. 36. Calculate the weight of an object whose mass is 5kg. [g =10m/s²
A) 50N
B) 5N
C) 0.5N
D) 0.2N
- 37. 37. The unit of weight is _____
A) Kilogram
B) Metre
C) Newton Per Second
D) Newton
- 38. 38. In which scenario can an object have zero velocity but still have acceleration?
A) No motion
B) Uniform motion
C) Constant speed
D) Changing direction
- 39. 39. An object travels 5 meters in the first second, 5 meters in the second second, and 5 meters in the third second. What is its average speed?
A) 5 m/s
B) 10 m/s
C) 15 m/s
D) 20 m/s
- 40. 40. Which of the following is a vector quantity?
A) Displacement
B) Time
C) Speed
D) Distance
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