LESSON 1-2 Flashcards

1
Q

physical measurement is ___ exact

A

never

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2
Q

the degree of closeness between a measurement and its true value

A

accuracy

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3
Q

the repeated measurements under the same conditions show the same result

A

precision

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4
Q

shorthand way if writing numbers

A

scientific notation

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5
Q

standard unit of length

A

meter

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6
Q

CGPM

A

conference generale des poids et mesures

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7
Q

7 fundamental units

A

a. meter (m) for length
b. kilogram (kg) for mass
c. second (s) for time
d. Keivin (K) for temperature
e. ampere (A) for electric current
E. candela (cd) for luminous intensity
g. mole (mol) fro number of particles or amount of substance

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8
Q

refers to the study of qualities which have dimensions like the fundamental quantities

A

dimensional analysis

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9
Q

fundamental quantities

A

mass, length, time

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10
Q

unit of speed

A

meters per second

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