2.1 Physical Quanities & Units Flashcards

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1
Q

what are S.I base units?

A

the Systéme International (S.I) includes a set of base units for physical quantities from which lots of other units are derived

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2
Q

what is ‘checking the homogeneity of physical equations’?

A

this is when you check that the units of an equation are the same on both sides

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3
Q

what is ‘checking the homogeneity of physical equations’?

A

this is when you check that the units of an equation are the same on both sides and therefore the validity of the equation

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4
Q

what is prefix for mili and what it the power of 10 multiple?

A

m

x10^-3

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5
Q

what is prefix for micro and what it the power of 10 multiple?

A

μ

x10^-6

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6
Q

what is prefix for nano and what it the power of 10 multiple?

A

n

x10^-9

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7
Q

what is prefix for pico and what it the power of 10 multiple?

A

p

x10^-12

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8
Q

what is prefix for kilo and what it the power of 10 multiple?

A

k

x10^3

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9
Q

what is prefix for mega and what it the power of 10 multiple?

A

M

x10^6

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10
Q

what is prefix for giga and what it the power of 10 multiple?

A

G

x10^9

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11
Q

what is prefix for tera and what it the power of 10 multiple?

A

T

x10^12

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