IGCSE Physics chapter 1 Measurements and units
2 years ago
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    meaning of µ (micro)

    answer choices

    106

    10-9

    10-3

    10-6

  • Question 2
    30 seconds
    Q.

    write 0.005 in scientific notation

    answer choices

    5/1000

    5x10-3

    5x103

    5 millimeters

  • Question 3
    30 seconds
    Q.

    WHAT IS A PHYSICAL QUANTITY MADE UP OF ?

    answer choices

    A value

    A unit

    A value and a unit

    A unit and direction

  • Question 4
    30 seconds
    Q.

    define measurement

    answer choices

    a reading

    A unit or system of measuring. The size, length, or amount of something, as established by measuring

    an observation of a size of something

    a estimate without a unit of measurement of what the size of something is

  • Question 5
    30 seconds
    Q.

    equation for density

    answer choices

    mass/volume

    volume/mass

    mass x volume

    volume x mass

  • Question 6
    10 seconds
    Q.

    SI unit for length

    answer choices

    mm

    m

    cm

    km

  • Question 7
    30 seconds
    Q.

    what does a micrometer have

    answer choices

    revolving barrel with a thread

    a extra sliding scale

    none of these

    revolving barrel with an extra scale on it

  • Question 8
    30 seconds
    Q.

    what is the room temperature?

    answer choices

    21

    22

    23

    23

  • Question 9
    30 seconds
    Q.

    a pendulum takes two seconds to make a complete swing . what could one swing be called

    answer choices

    time taken

    period

    change in time

    time

  • Question 10
    30 seconds
    Q.

    time taken for 20 swings is 46 seconds. how much time is needed for 1 swing

    answer choices

    0.43478

    3.2

    20.46s

    2.3 seconds

  • Question 11
    30 seconds
    Q.

    Si unit for density

    answer choices

    kilograms per cubic metre

    grams per cubic metre

    grams per cubic centimetre

    kilograms per cubic centimetre

  • Question 12
    30 seconds
    Q.

    calculate volume of aluminum with mass of 5400kg and a density of 2700kg/m3

    answer choices

    0.5m3

    2m2

    2m3

    0.5m2

  • Question 13
    30 seconds
    Q.

    a quick method of finding the density of a liquid is to use a ....... ?

    answer choices

    barometer

    manometer

    hydrometer

    micrometer

  • Question 14
    30 seconds
    Q.

    when using a displacement can what is the mass of the object in it equal to

    answer choices

    the change in liquid level in the can

    the amount of liquid collected in the second beaker

    the volume of liquid collected in the second beaker

    none of those above

  • Question 15
    10 seconds
    Q.

    Si unit for weight

    answer choices

    neutons

    gramms

    kilogramms

    newtons

  • Question 16
    30 seconds
    Q.

    When you want to measure the thickness of a small block of metal accurately in cm, you would use ......... ?

    answer choices

    Metre ruler

    Micrometer screw gauge

    30 cm ruler

    Vernier Calipers

  • Question 17
    30 seconds
    Q.

    We take repeat reading to make sure the values are:

    answer choices

    Accurate & reliable

    Easy to measure

    Always on the line of best fit

    All of the above

  • Question 18
    30 seconds
    Q.

    The name of the device we use to measure force is called:

    answer choices

    Force measurer

    Newtonmeter

    Newton-scale

    Einstein Gauge

  • Question 19
    30 seconds
    Q.

    mN stands for:

    answer choices

    micro-newtons

    mega-newtons

    mili-newtons

    mini-newtons

  • Question 20
    30 seconds
    Q.

    10-2 uses which prefix?

    answer choices

    mili

    centi

    deci

    micro

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