1 Accuracy of a measurement means: A How close the result is to the true value B How close repeated readings are to each other C The size of the measuring instrument D The number of significant figures
2 Which type of motion is exhibited by a spinning top? A Translational motion B Rotational motion C Vibrational motion D Random motion
3 In an isolated system, the total momentum: A Increases with time B Decreases with time C Remains constant D First increases then decreases
4 A body moving with uniform velocity has an acceleration of: A Zero B Positive C Negative D Variable
5 The momentum of an object is defined as the product of its mass and: A Acceleration B Force C Velocity D Displacement
7 A body moving in a circular path with constant speed has ____. A Zero acceleration B Constant velocity C Changing velocity D Zero displacement
8 To measure the volume of an irregular solid, we use: A Metre rule B Displacement method C Beam balance D Stopwatch
9 Which type of friction is the smallest? A Static friction B Kinetic friction C Rolling friction D Sliding friction
10 Which of the following methods is used to reduce friction? A Increasing the roughness of surfaces B Using lubricants between surfaces C Increasing the normal reaction D Increasing the weight of the object
11 The motion of a pendulum is an example of: A Translational motion B Rotational motion C Vibrational motion D Random motion
12 The motion of a ceiling fan is an example of: A Translational motion B Rotational motion C Vibrational motion D Random motion
13 Which of the following is a contact force? A Gravitational force B Magnetic force C Friction D Electric force
14 Which instrument is used to measure the time period of a simple pendulum? A Metre rule B Measuring cylinder C Stopwatch D Thermometer
15 A body is in free fall when it moves under the influence of: A Air resistance only B Gravity only C Friction only D Applied force only
17 Which instrument is most suitable for measuring the thickness of a metal sheet accurately? A Metre rule B Measuring tape C Micrometer screw gauge D Beam balance
18 Which type of friction is also known as sliding friction? A Static friction B Kinetic friction C Rolling friction D Fluid friction
19 The friction that opposes the motion of a rolling object is called: A Static friction B Kinetic friction C Rolling friction D Sliding friction
20 Newton's third law of motion states that for every action there is: A A larger reaction B A smaller reaction C An equal and opposite reaction D No reaction
22 The mass of an object: A Changes with location B Remains constant everywhere C Depends on gravity D Is measured in newtons
24 Which type of error is caused by a faulty instrument that consistently gives the same wrong reading? A Random error B Systematic error C Human error D Personal error
25 Which force is responsible for the attraction between two masses? A Electromagnetic force B Gravitational force C Strong nuclear force D Weak nuclear force