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Sec 3 Physics > Chapter 1: Measurement > Flashcards

Chapter 1: Measurement Flashcards

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1
Q

What is Physics?

A

Physics is the study of matter and energy, and the interaction between the two.

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2
Q

What is the SI unit of length?

A

metre (m)

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3
Q

What is the SI unit of mass?

A

kilogram (kg)

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4
Q

What is the SI unit of time?

A

second (s)

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5
Q

What is the SI unit of electric current?

A

ampere (A)

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6
Q

What is the SI unit of thermodynamic temperature?

A

kelvin (K)

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7
Q

What is the SI unit of luminous intensity?

A

candela (cd)

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8
Q

What is the SI unit of amount of substance?

A

mole (mol)

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9
Q

What is a derived quantity?

A

A derived quantity is given by the multiplication or division of 2 or more base quantities?

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10
Q

What is a base quantity/unit?

A

Base quantities are a set of independent physical quantities

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11
Q

What are the prefixes for units?

A 
Tera- (the)
Giga- (giant)
Mega- (monkey's)
Kilo- (kick)
Deci- [detention]
Centi- [class]
Milli- (meets)
Micro- (my)
Nano- (nasty)
Pico- (punch)
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12
Q

What is the factor for giga?

A

10^9

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13
Q

What is the factor for mega?

A

10^6

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14
Q

What is the factor for kilo?

A

10^3

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15
Q

What is the factor for deci?

A

10^-1

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16
Q

What is the factor for centi?

A

10^-2

17
Q

What is the factor for milli?

A

10^-3

18
Q

What is the factor for micro?

A

10^-6

19
Q

What is the factor for nano?

A

10^-9

20
Q

What is the precision of a tape measure?

A

0.1 cm/1 mm

21
Q

What is the precision of a pair of Vernier Calipers?

A

0.01 cm/0.1 mm

22
Q

What is the precision of a Micrometer Screw Gauge?

A

0.001 cm

23
Q

What is one oscillation for a pendulum?

A

Each complete to-and-fro motion is one oscillation

24
Q

What is a period?

A

It is the time for one complete oscillation

25
Q

What is the period dependent on?

A

It is dependent of the length and gravatational force of the pendulum

Sec 3 Physics (2 decks)

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