Units and Measurements
3 years ago
thephysicsgrove
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15 QuestionsShow answers
  • Question 1
    30 seconds
    Q. What is the Standard International unit for mass?
    answer choices
    kg
    g
    mg
    Mg
  • Question 2
    30 seconds
    Q. What is the Standard International unit for time?
    answer choices
    second
    minute
    hour
    day
  • Question 3
    30 seconds
    Q. The micrometer screw gauge is completely closed. What is the zero error?
    answer choices
    + 0.04 mm
    - 0.04 mm
    + 0.46 mm
    - 0.46 mm
  • Question 4
    30 seconds
    Q. The Vernier callipers are completely closed. What is the zero error?
    answer choices
    + 0.05 cm
    + 0.05 mm
    - 0.05 cm
    -0.05 mm
  • Question 5
    30 seconds
    Q. What is the definition of the period of a pendulum?
    answer choices
    one oscillation
    the time taken for one oscillation
    the time for one swing back and forth
    swing from A to B to A
  • Question 6
    30 seconds
    Q. What is the only thing that increases the period of a pendulum?
    answer choices
    increase the length of the pendulum
    decrease the length of the pendulum
    increase the weight of the pendulum bulb
    decrease the weight of the pendulum bulb
  • Question 7
    30 seconds
    Q. What is the correct way to read a reading on a ruler?
    answer choices
    perpendicular to the surface of the ruler
    45 degrees to the surface of the ruler
    parallel to the surface of the ruler
    at any angle I want
  • Question 8
    30 seconds
    Q. What is the reading?
    answer choices
    7.22 cm
    7.72 cm
    7.22 mm
    7.72 mm
  • Question 9
    30 seconds
    Q. The micrometer screw gauge is completely closed. What is the zero error?
    answer choices
    +0.02 mm
    +0.2 mm
    -0.02 mm
    -0.2 mm
  • Question 10
    30 seconds
    Q. This set of Vernier callipers has a zero error of -0.03 cm. What is the actual measurement?
    answer choices
    5.34 cm
    5.37 cm
    5.40 cm
    5.44 cm
  • Question 11
    30 seconds
    Q. What is the equivalent of 9000 μm?
    answer choices
    9 cm
    0.009 m
    0.009 mm
    9000 Gm
  • Question 12
    30 seconds
    Q. What is the standard form of 90,000?
    answer choices
    90 x 103
    9 x 104
    90,000
    ninety thousand
  • Question 13
    30 seconds
    Q. What is the approximate number of people on planet earth?
    answer choices
    7 x 103
    7 x 106
    7 x 109
    7 x 1012
  • Question 14
    30 seconds
    Q. Which is a base quantity?
    answer choices
    length
    density
    area
    speed
  • Question 15
    30 seconds
    Q. What is NOT one of the steps for getting the accurate period of a pendulum?
    answer choices
    get timing of 20 oscillations using a stopwatch
    get timing of one oscillation using a stopwatch
    repeat the timing procedure 3 times and get the average
    divide time by the number of oscillations
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