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    JPN Pahang Physics ModuleChapter 1 : Introduction to Physics Easy Success

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    SECTION A: MULTIPLE CHOICE1 Which of the following is not a symbol of a base SI unit?

    A kgB sC AD oC

    2 The correct ascending order of the prefixes are

    A kilo, micro, centi, nanoB mili, micro, centi, desi

    C desi, centi, micro, miliD nano, micro, centi, kilo

    3. Which of the following physical quantities is not a scalar quantity?

    A TimeB VelocityC EnergyD Density

    4 Which of the followings is a derived quantity?

    A LengthB MassC CurrentD Weight

    5. Which of the following pairs is correct?

    6. Which of the following pairs is correct?

    Quantity Type of quantity

    A Momentum ScalarB Acceleration ScalarC Weight VectorD Mass Vector

    Force mass accelerationA Scalar Scalar ScalarB Vector Scalar VectorC Vector Vector ScalarD Vector Vector Scalar

    CHAPTER 1 : INTRODUCTION TO PHYSICS

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    7. 50 millimetres is equivalent to

    8. A radio station airs its program by transmitting waves at a frequency of 99.8 MHz. What is this frequency in Hz?

    A 99.8 x 10 3

    B 99.8 x 10 6

    C 99.8 x 10 7

    D 99.8 x 10 12

    9. Which of the following reading is shown by the micrometer screw gauge?

    A 2.5 cmB 4.36 cmC 6.10 mmD 0.945 mm

    10. Diagram shows a micrometer screw gauge is used in a measurement.

    If the micrometer screw gauge has zero error of + 0.02 mm, the actual readingof the micrometer screw gauge is

    A 6.42 mmB 6.44 mmC 6.92 mmD 6.95 mm

    A 5.0 x 10 - 6 mB 5.0 x 10 - 5 mC 5.0 x 10 - 4 mD 5.0 x 10 - 3 mE 5.0 x 10 - 2 m

    45

    0

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    11. The following diagram shows a reading registered by an ammeter.

    What is the sensitivity of the ammeter?

    A 0.01 A C 0.1 AB 0.02 A D 0.2 A

    12. Diagram 1.1 shows the scale of a micrometer screw gauge when the anvil and spindle areclosed. Diagram 1.2 shows the scale of the micrometer screw gauge when it is measuringthe thickness of a piece of glass.

    DIAGRAM 1.1 DIAGRAM 1.2

    What is the zero error of the micrometer screw gauge and the actual thickness of the glass?Zero error Actual thickness

    A 0.02 mm 12.82 mmB 0.02 mm 12.86 mmC +0.02 mm 12.82 mmD +0.02 mm 12.86 mm

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    13. Figure 1a shows the reading of a mercury barometer. A little while later, the reading becomesas shown in Figure 1b.

    Which of the following is true?

    Barometer reading in Figure 1a Change of barometer reading

    A. 759.5 cm 0.7 cmB. 759.6 cm 0.7 cm

    C. 759.5 cm 0.8 cmD. 759.6 cm 0.8 cm

    14. The diagram shows a vernier callipers used to measure the thickness of the book.

    What is the thickness of the book?

    A. 0.66 cmB. 0.63 cmC. 3.63 cmD. 6.33 cm

    0 5 10

    0 1

    mercury

    761

    760

    cm

    barometer

    7590

    mercury

    761

    cm

    barometer

    7590

    760

    Figure 1a / Rajah 1a Figure 1b / Rajah 1b

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    The micrometer screw gauge reading in Figure 1 is

    A. 2.45 cmB. 2.95 cmC. 2.45 mmD. 2.95 mm

    16. A, B, C and D shows the shooting marks on a target.Which marks can explain the concept of consistency of a measurement?

    A B

    C D

    17. The diagram shows a weighing scale when no load is placed on it.The error shown by the scale is a

    0 1 2

    mm

    45

    40

    0

    Figure 1

    15.

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    A parallax errorB random errorC zero error

    18 Which of the following steps can reduce the parallax error while recording the valueof current from an ammeter?

    A Use more sensitive ammeter .

    B Calculate the average value from the repeated readings .C Use a magnifying lens to read the reading from the ammeter .D Use an ammeter with a plane mirror underneath the pointer needle .

    19. The diagram shows a student taking a temperature reading from a thermometerincorrectly. Which of the following is the correct way to take the thermometer reading?

    A. Using a more sensitive thermometerB. Repeating the measurement and calculating the mean valueC. Using a magnifying glass to take the readingD. Keeping the observers line of sight perpendicular to the scale when taking the

    reading

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    20.

    A student wants to measure the distance between points P and Q . Between the eye positionsA, B and C , which is the most suitable to read the position of P ?

    P

    Q

    A

    B

    0

    1

    2

    cm

    Ruler pembaris

    Figure 2 C

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    SECTION B : STRUCTURED QUESTIONS

    1. Diagram 1 shows the instrument which is used to measure the outer diameter of acylinder, S.

    (a) Name the instrument in Diagram 1

    [1 mark ]

    (b) Name the part labelled X .

    [1 mark ](c) What is the function of X?

    .

    [1 mark ]

    (d) What is the sensitivity of this instrument?

    [1 mark ]

    X

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    2. Diagram 2.1 shows the scale of a voltmeter.

    DIAGRAM 2.1

    (a) Name the physical quantity measured by the voltmeter.

    ..

    [1 mark](b) In the space below, draw the symbol for a voltmeter.

    [1 mark]

    (c) What is the sensitivity of this instrument?

    ...

    [1 mark]

    (d) State the function of the mirror located under the scale.

    ..[1 mark]

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    3. Diagram 3.1 shows a liquid-in-glass thermometer.

    DIAGRAM 3.1

    (a) (i) Name the liquid P used in the thermometer.

    .................................................................................................................[ 1 mark ]

    (ii) State the changes in the liquid when the temperature increases.

    .................................................................................................................[ 1 mark ]

    (b) Diagram 3.2 shows two types of thermometers.

    (i) Which thermometer is more sensitive ?

    .......................................................................................................................[ 1 mark ]

    (ii) State one reason for your answer in 1 (b) (i).

    ........................................................................................................................

    [ 1 mark ]

    DIAGRAM 3.2

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    4. The table shows the measurements of the diameter of a metal rod by using threeinstruments P, Q and R. The actual measurement of the diameter is 3.31 cm.

    MeasuringInstrument Diameter metal rod/cm Average /cm

    P 3.30 3.30 2.90 3.17

    Q 3.30 3.30 3.31 3.30

    R 3.30 3.33 3.31 3.31

    (a) Name measuring instrument used.

    [1 mark ](b) State the smallest division of the measuring instrument used.

    [1 mark ]

    (c) (i) Based on table 1, which is the most accurate instrument?

    .[1 mark ]

    (ii) Give a reason for your answer in (c) (i)

    ..........[1 mark ]

    Table 4

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    Marking Scheme Chapter 1

    SECTION A: OBJECTIVE

    SECTION B: STRUCTURED

    1 D2 D3 B4 D5 C6 B7 E8 C9 C

    10 D11 D12 B13 B14 B15 B16 B17 C18 D19 D20 B

    1(a) Vernier caliper 1(b) Internal diameter 1(c) To measure internal diameter 1(d) 0.01 cm 1

    TOTAL 4

    2(a) voltage(b)

    (c) 0.1V(d) To avoid parallax error

    V

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    Marking Scheme Chapter 1

    3(a) Mercury 1

    (b) Expansion /increase in volume 1(c) Thermometer X 1(d) The smallest division is smaller // able to detect the smaller /smallest change 1

    TOTAL 4

    4(a) Vernier Callipers 1(b) 0.01 cm 1(c) Q 1(d) Close to actual value. 1

    TOTAL 4