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IB SL Physics > Topic 1 > Flashcards

Topic 1 Flashcards

1
Q

What is the base unit for length?

A

meter

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2
Q

What is the symbol for meter?

A

m

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3
Q

What is the base quantity of a meter?

A

length

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4
Q

What is the base unit for mass?

A

kilogram

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5
Q

What is the symbol for a kilogram?

A

kg

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6
Q

What is the base quantity for a kilogram?

A

mass

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7
Q

What is the base unit for time?

A

second

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8
Q

What is the symbol for a second?

A

s

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9
Q

What is the base quantity for a second?

A

time

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10
Q

What is the base unit for a current?

A

ampere

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11
Q

What is the symbol for an ampere?

A

A

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12
Q

What is the base quantity for an ampere?

A

current

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13
Q

What is the base unit for temperature?

A

Kelvin

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14
Q

What is the symbol for Kelvin?

A

K

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15
Q

What is the base quantity for Kelvin?

A

temperature

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16
Q

What is the base unit of an amount of substance?

A

mole

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17
Q

What is the symbol for mole?

A

mol

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18
Q

What is the base quantity for a mole?

A

Amount of substance

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19
Q

What are derived units?

A

units that are made up out of base units

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20
Q

What are units that are made up out of base units?

A

derived units

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21
Q

What is the unit for force?

A

Newton

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22
Q

What does a Newton measure?

A

force

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23
Q

What is the unit for energy?

A

Joule

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24
Q

What does a Joule measure?

A

energy

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25
Q

What is the unit for pressure?

A

Pascal

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26
Q

What does a Pascal measure?

A

pressure

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27
Q

What is the unit for power?

A

Watt

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28
Q

What does a watt measure?

A

power

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29
Q

What is the unit for electric charge?

A

Coloumb

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30
Q

What does a Coulomb measure?

A

electric charge

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31
Q

What is the symbol for Newton?

A

N

32
Q

What is the symbol for Pascal?

A

Pa

33
Q

What is the symbol for Joule?

A

J

34
Q

What is the symbol for watt?

A

W

35
Q

How do you multiply scientific notation?

A

multiply numbers and add exponents

36
Q

How do you divide scientific notation?

A

divide numbers and subtract exponents

37
Q

What is precision?

A

how well repeated measurements of a value agree with one another (exact)

38
Q

What is how well repeated measurements of a value agree with one another (exact)?

A

precision

39
Q

What is accuracy?

A

how well a measurement agrees with the true value (correct)

40
Q

What is how well a measurement agrees with the true value (correct)?

A

accuracy

41
Q

What is calibration?

A

an instrument that is precise but not accurate can be calibrated

42
Q

What is an instrument that is precise but not accurate can be calibrated?

A

calibration

43
Q

When using an analog scale, what is the uncertainty?

A

plus or minus half the smallest scale division

44
Q

On what scale is it when the uncertainty is plus or minus half the smallest scale division?

A

analog scale

45
Q

When using a digital scale, what is the uncertainty?

A

plus or minus the smallest unit shown

46
Q

On what scale is it when the uncertainty is plus or minus the smallest unit shown?

A

digital scale

47
Q

When taking repeated measurement how do you find the uncertainty?

A

find the difference between the average and the measurement that is furthest from the average

48
Q

When multiplying or dividing quantities, how do you find the resultant uncertainty?

A

add the percentage uncertainties of the quantities that we are multiplying

49
Q

When adding or subtracting quantities, how do you find the resultant uncertainty?

A

add the absolute uncertainties of the quantities we are measuring

50
Q

How do you find the order of magnitude?

A

Put things in 10’s and see how many you need (exponent) for estimation

51
Q

What is the order of magnitude for the size of subatomic particles to the extent of the visible universe?

A

10^-15 m to 10^25 m

52
Q

What is the order of magnitude for the mass of the electron to the mass of the universe?

A

10^-30 kg to 10^50 kg

53
Q

What is the order of magnitude for time for light to cross a nucleus to the age of the Universe?

A

10^-23 s to 10^18 s

54
Q

What is the order of magnitude for the size of a hydrogen atom?

A

10^-10 m

55
Q

What is the order of magnitude for the size of a proton?

A

10^-15 m

56
Q

What is the ratio of diameter of a hydrogen atom to its nucleus?

A

10^-10/10^-15 = 10^5

57
Q

What is displacement?

A

the distance moved in a stated direction (the distance and direction from the starting point)

58
Q

What is the distance moved in a stated direction (the distance and direction from the starting point)?

A

displacement

59
Q

Is displacement a vector?

A

Yes

60
Q

What is velocity?

A

the rate of change of displacement

61
Q

What is the rate of change of displacement?

A

velocity

62
Q

Is velocity a vector?

A

Yes

63
Q

What is acceleration?

A

the rate of change of velocity

64
Q

What is the rate of change of velocity?

A

acceleration

65
Q

Is acceleration a vector?

A

Yes

66
Q

What is average speed/velocity?

A

change in distance/displacement divided by time taken over a period of time

67
Q

What is the change in distance/displacement divided by time taken over a period of time?

A

average speed/velocity

68
Q

What is instantaneous speed/velocity?

A

the change in distance/displacement divided by time at one particular time

69
Q

What is the change in distance/displacement divided by time at one particular time?

A

instantaneous speed/velocity

70
Q

Is motion relative?

A

Yes

71
Q

What is a frame of reference?

A

a point from which a situation is observed

72
Q

What is a point from which a situation is observed?

A

a frame of reference

73
Q

What is a scalar quantity?

A

can be described by a number with units

74
Q

What is a vector quantity?

A

must be described by a number (its magnitude) and its direction

75
Q

How do you find displacement?

A

s2-s1

IB SL Physics (27 decks)

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