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- Multiple ChoicePlease save your changes before editing any questions.
How CLOSE a measurement or attempt is to the actual value is the definition of ..............
systematic
precision
accuracy
sensitivity
- Multiple ChoicePlease save your changes before editing any questions.
How CONSISTENT our results are regardless of proximity to the actual value is the definition of .......
accuracy
target value
uncertainty
precision
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following shows an accurate but not precise data
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following shows a precise but not accurate data?
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following equation represent error in measurement?
Error = Measured Value - True Value
Error = 1 - True Value
Error = True Value + Measured Value
Error = 1 - Measured Value
- Multiple ChoicePlease save your changes before editing any questions.
The imperfection in experimental technique or procedure is an example of .....
Environmental error
Parallax error
Random error
Systematic error
- Multiple ChoicePlease save your changes before editing any questions.
The micrometer screw gauge shows a reading of ....
3.31 cm
3.81 cm
3.31 mm
3.81 mm
- Multiple ChoicePlease save your changes before editing any questions.
The vernier calliper shows the reading of....
3.5 mm
3.6 mm
3.1 mm
4.6 mm
- Multiple ChoicePlease save your changes before editing any questions.
Parallax error is due to:
the instrument does not read exactly zero when there is nothing being measured
incorrect positioning of the eye
object not being at the same level as the marking on the scale
the experimenter consistently underestimate or overestimate a reading
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following is NOT associated to micrometer screw gauge
two scales: main scale and circular scale
one complete turn moves the spindle by 0.1 mm
each division on the circular scale = 0.01 mm
modern micrometers have a ratchet