H. Explain the following terms.
1. Measurement
2. Unit
3. Parallax error
Answers
Answer:
Measurement — the numerical quotation of attributes of an object are event.
unit‐ a unit of measurement is a definite magnitude of a quantity
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Answer:
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Explanation:
- measurement-- MEASUREMENT" is the determination of the size or magnitude of something. By comparing that unknown quantity with some standard quantity of equal nature, known as measurement unit. Measurement can also be defined as "Comparison of an unknown quantity with some known quantity of the same kind".
2. Unit -- The word unit as used in physics refers to the standard measure of a quantity. Some fundamental quantities and their respective units are:
time —- second
mass —- kilogram
length —- meter
temperature —- Kelvin
electric current —- ampere
3. parallax error -- Measurements made by viewing the position of some marker relative to something to be measured are subject to parallax error if the marker is some distance away from the object of measurement and not viewed from the correct position.
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