NABTEB PhysicsPast Questions & Explanations

Practice 347+ NABTEB Physics questions from the SuperPrep question bank. Every question comes with a full explanation so you learn the method, not just the answer.

1. 1.

   The S.I. unit of length is?

   1. A.Centimeter
   2. B.Meter
   3. C.Kilometer
   4. D.Millimeter

   Show explanation

   The S.I. base unit of length is the meter (m).
2. 2.

   Which of the following is a fundamental physical quantity?

   1. A.Speed
   2. B.Force
   3. C.Mass
   4. D.Acceleration

   Show explanation

   Mass is a fundamental quantity, while the others are derived quantities.
3. 3.

   The instrument used to measure length accurately is?

   1. A.Thermometer
   2. B.Meter rule
   3. C.Barometer
   4. D.Ammeter

   Show explanation

   A meter rule is used to measure length.
4. 4.

   The S.I. unit of time is?

   1. A.Hour
   2. B.Minute
   3. C.Second
   4. D.Day

   Show explanation

   The SI base unit of time is the second (s).
5. 5.

   Which of the following is a derived unit?

   1. A.Meter
   2. B.Kilogram
   3. C.Newton
   4. D.Second

   Show explanation

   Newton is a derived unit of force.
6. 6.

   The S.I. unit of force is?

   1. A.Joule
   2. B.Newton
   3. C.Watt
   4. D.Pascal

   Show explanation

   Force is measured in Newton (N).
7. 7.

   Which instrument is used to measure temperature?

   1. A.Thermometer
   2. B.Barometer
   3. C.Hygrometer
   4. D.Seismometer

   Show explanation

   A thermometer measures temperature.
8. 8.

   The S.I. unit of mass is?

   1. A.Gram
   2. B.Kilogram
   3. C.Pound
   4. D.Ton

   Show explanation

   The SI unit of mass is kilogram (kg).
9. 9.

   Which of the following is NOT a fundamental quantity?

   1. A.Length
   2. B.Time
   3. C.Velocity
   4. D.Mass

   Show explanation

   Velocity is a derived quantity.
10. 10.

    The S.I. unit of velocity is?

    1. A.m
    2. B.m/s
    3. C.m/s²
    4. D.kg/m

    Show explanation

    Velocity is measured in meters per second (m/s).

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11. 11.

    The instrument used to measure current is?

    1. A.Voltmeter
    2. B.Ammeter
    3. C.Ohmmeter
    4. D.Barometer

    Show explanation

    An ammeter measures electric current.
12. 12.

    Which of the following quantities is scalar?

    1. A.Force
    2. B.Velocity
    3. C.Speed
    4. D.Acceleration

    Show explanation

    Speed has magnitude only, making it a scalar quantity.
13. 13.

    The S.I. unit of energy is?

    1. A.Watt
    2. B.Joule
    3. C.Newton
    4. D.Pascal

    Show explanation

    Energy is measured in joules (J).
14. 14.

    Which of the following is used to measure mass?

    1. A.Spring balance
    2. B.Thermometer
    3. C.Ruler
    4. D.Stopwatch

    Show explanation

    A spring balance can measure mass (weight-related measurement).
15. 15.

    The prefix 'kilo' means?

    1. A.10
    2. B.100
    3. C.1000
    4. D.0.001

    Show explanation

    Kilo means 1000 times the base unit.
16. 16.

    Which of the following is a vector quantity?

    1. A.Mass
    2. B.Temperature
    3. C.Speed
    4. D.Force

    Show explanation

    Force has both magnitude and direction.
17. 17.

    The S.I. unit of pressure is?

    1. A.Newton
    2. B.Pascal
    3. C.Joule
    4. D.Watt

    Show explanation

    Pressure is measured in pascals (Pa).
18. 18.

    Which instrument is used for measuring very small lengths?

    1. A.Meter rule
    2. B.Micrometer screw gauge
    3. C.Thermometer
    4. D.Barometer

    Show explanation

    Micrometer screw gauge measures small dimensions accurately.
19. 19.

    The derived unit of area is?

    1. A.m
    2. B.m²
    3. C.m³
    4. D.kg/m²

    Show explanation

    Area is length × breadth, so its unit is m².
20. 20.

    Which of the following best describes accuracy in measurement?

    1. A.Closeness to true value
    2. B.Speed of measurement
    3. C.Size of instrument
    4. D.Length of object

    Show explanation

    Accuracy refers to how close a measurement is to the true value.