Live Education Quiz

1

Which of the following is a physical quantity?

A Honesty B Length C Beauty D Kindness

2

Which of the following is a non-physical quantity?

A Mass B Time C Temperature D Love

3

Physics mainly deals with the study of:

A Living things B Matter and energy C Society D Language

4

Which of the following is a base quantity?

A Speed B Force C Mass D Density

5

How many base quantities are there in SI system?

A 5 B 6 C 7 D 8

6

Which is the SI unit of length?

A Centimeter B Meter C Kilometer D Millimeter

7

SI unit of mass is:

A Gram B Milligram C Kilogram D Ton

8

SI unit of time is:

A Hour B Minute C Second D Day

9

Which of the following is a derived quantity?

A Length B Mass C Time D Speed

10

SI unit of speed is:

A m/s B m C s D kg/m

11

Which quantity has both magnitude and direction?

A Speed B Distance C Velocity D Mass

12

Which of the following is a scalar quantity?

A Force B Velocity C Displacement D Distance

13

Distance is a:

A Vector quantity B Scalar quantity C Derived vector D Base vector

14

Displacement is a:

A Scalar quantity B Non-physical quantity C Vector quantity D Derived scalar

15

Which quantity changes when direction changes?

A Speed B Mass C Time D Velocity

16

Resultant of two vectors at right angles is found using:

A Addition law B Subtraction law C Pythagoras theorem D Newton’s law

17

Which instrument is used to measure length accurately?

A Measuring tape B Meter rule C Vernier caliper D Stopwatch

18

Screw gauge is mainly used to measure:

A Time B Volume C Small lengths D Mass

19

Least count means:

A Maximum value of instrument B Minimum value measurable C Average value D Error value

20

Volume of a liquid is measured using:

A Beaker B Measuring cylinder C Balance D Stopwatch

21

SI unit of volume is:

A Liter B cm³ C m³ D ml

22

Which instrument is used to measure time?

A Clock B Balance C Thermometer D Ruler

23

Stopwatch is used to measure:

A Mass B Time interval C Length D Volume

24

Scientific notation is used to express:

A Very small and very large numbers B Only small numbers C Only large numbers D Whole numbers

25

Which of the following is correct scientific notation?

A 0.00045 B 4500 C 4.5 × 10³ D 45 × 10²

26

Prefix kilo (k) represents:

A 10² B 10³ C 10⁻³ D 10⁶

27

Prefix milli (m) represents:

A 10⁻¹ B 10⁻² C 10⁻³ D 10³

28

Prefix micro (µ) means:

A 10⁻⁶ B 10⁻³ C 10⁶ D 10³

29

Which prefix represents 10⁶?

A Milli B Micro C Mega D Nano

30

Accuracy refers to:

A Repeated measurements B Closeness to true value C Instrument quality D Least count

31

Precision refers to:

A Closeness to true value B Repeated consistency C Instrument size D Unit used

32

Which causes error in measurement?

A Instrument fault B Human mistake C Environmental effects D All of these

33

Zero error occurs when:

A Scale is broken B Instrument reads zero incorrectly C Observer is careless D Value is large

34

Random errors can be reduced by:

A Single reading B Changing instrument C Taking average of readings D Ignoring readings

35

Which quantity is vector?

A Speed B Time C Force D Mass

36

Unit of force is:

A Joule B Newton C Watt D Pascal

37

Force is a:

A Scalar B Vector C Non-physical D Derived scalar

38

Which is NOT an SI base unit?

A Meter B Second C Kilogram D Liter

39

Measurement is comparison with:

A Standard unit B Random value C Guess D Estimation only

40

Which quantity is measured in m²?

A Volume B Area C Length D Density

Ch 1