Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

physics As level cie > more defenitions > Flashcards

more defenitions Flashcards

You may prefer our related Brainscape-certified flashcards:
Physics 101 flashcards AP® Physics flashcards
1
Q

prefix’s in order

A

pico , nano, micro, milli, centi, decid, kilo, mega, giga, tera.

please nana make me come down kangaroo mountine, im goign tomorrow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

number of pico

A

x10-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

number for nano

A

x10-9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

number for micro

A

x10-6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

millie number

A

x10-3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

centi number

A

x10-2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

deci number

A

x10-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

kilo number

A

x10 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

number of kilo

A

x10 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

mega number

A

x10 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

giga number

A

x10 9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

tera

A

x10 12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

avagados constant

A

the number of atoms in 0.012kg of carbon-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

defenition of scalar

A

a quantity which has magnitude only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

vector quantity

A

a quanitity which has both magnitude and direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

displacement

A

the distance moved by a object in a particular direction (measurd from a fixed starting point)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

frequency period equation

A

frequency = 1/ period

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

change in gpe equation

A

weight x change in height

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

electric field strength=

A

force/charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

relation ship efs and volt

A

efs proptional volt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

efs relationship to distance

A

efs proportional 1/ distance between

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

efs =

A

voltage/ distnace

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

work in term of electricity

A

ampsx volts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

velocity current relationhsip

A

velocity proportional to current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

density equation

A

mass/volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

elastic potential equation

A

1/2x forcexextension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

impulse=

A

change in momentum = momentum after -momentum before

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

change in momentum=

A

mass x change in velocity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

impules = (time)

A

force x change in time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

resistance =

A

resistivity x length over areA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

power =

A

energy over time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

force ( momentum ) equations

A

change in momentum over time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

pressur density equation

A

pressure= density g change in height

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

phase difference diffraction gratting equatikns

A

n(lambda)=dsin(pheta)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

intesity

A

= power /area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

dopler effect equation not moveing

A

observer wavelength= velocity of wave/frequency of source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

doppler effect moveing

A

ovserver wavelength = velocity of wave+- velocity of source/ frequency of source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

current charge equation

A

current = charge/time

39
Q

drift velocity equation

A

drift velocity=length/time

40
Q

pressure density relation

A

proportional

41
Q

pressure temperture relation

A

proportional

42
Q

speed

A

rate of change of the distance moved by the object

43
Q

velocity

A

the rate of change of the displacement of an object

44
Q

acceleration

A

rate of change of velocity

45
Q

density

A

the mass per unit of volume of material

46
Q

pressure

A

the force acting normally per unit area of a surface

47
Q

efficiency of a substance

A

the rationof useful output energy to the total input for a device expressed as a percentage

48
Q

gravitational potential energy

A

the energy a body has due to its position in a gravitational field

49
Q

gravitational potential

A

the gravitational potential energy per unit mass at a point in a gravitational field

50
Q

elastic potential energy

A

energy stored ins streched or compressed material

51
Q

power

A

the rate at which energy is transfered or the rate at which work is done

52
Q

work done

A

the producy of the force and the distnace moved in the directionofnthe force

53
Q

radian

A

a unit measurinv angels 2pi= 360 degree

54
Q

gravitation field stength

A

the gravitational force experiancex by an object per unit of mass

55
Q

gravitational field

A

a region where an object with mass experiancesforce

56
Q

stress

A

the force acting per unit cross sectional area

57
Q

strain

A

the extension per unit length produced by tensile or compressef force

58
Q

younge modulus

A

the ratio of stress to strain of a given material resulting from tensile forces providing hooks law is obeyed

59
Q

iterference

A

the formation of points of cancellation and reinforcment where two coherent waves pass through each other

60
Q

coherance

A

two sources are coherent wher they emit waves with a constant phase diffeernece

61
Q

resistivity

A

a property of a material a measure of its electrical resistance defined by p=ra/l

62
Q

electric motive forcd

A

the total work done when unit charge is moved round a comoete circuit

63
Q

potential difference

A

the enregy lost per unit charge by charges passing through a component

64
Q

couloimb

A

the si unit of electircal charge a charge of 1C passes a point when a current of 1 A mflows for 1s

65
Q

amplitude

A

the maximum displacement if a waveform its point of equilibrium

66
Q

phase difference

A

the dofference in the phases of two oscillating waves

67
Q

period

A

the length of time taken for one oscillation

68
Q

frequency

A

the number of oscillqtions per unit of time

69
Q

wavelength

A

the distance between two adjacent peaks anor troughs in a wave

70
Q

speed of a wave

A

the frequency x wavelength

71
Q

doppler shift

A

the change in frequency or wavelength of a wvae observed when the source kf the wave is moveing towards or away from the ovserver or the observer is moving relative too the source

72
Q

node

A

a point on a stationary wave with zero amplitude

73
Q

anti node

A

a point on a stationary wave with maximum amplitude

74
Q

diffractiom

A

the spreading ofwaves when it passes through s gsp or past the edge of a object

75
Q

elastic collision

A

when momentum and kinetic energy are both conserved as well as kinetic energy

76
Q

inelastic collison

A

a collison is inelaastinc when kinetic energy is not consereved

77
Q

torque of a couple

A

the product of one of the forces of a couple and the perpendiculat distance between them

78
Q

principle of moment

A

for an object in equillibrium the sum of the clockwise moments about a point is equal to the sum of te anti clockwise moment about the same piint

79
Q

principle of conservation of emergy

A

within a closed systum energy is all its forms is uncahged

80
Q

stationary wave

A

a wave pattern produced when two progressive waves of the same frequency travelling in opposite directions combine it is characterised by nodes and anti nodes

81
Q

principle of superpostition

A

when two or more wave meet at a point rhe resulting displacement is the sum of the displacement of the individual waves

82
Q

kirchoffs 1st

A

the sum of the current entering any point or junction in a circuit is equal to the sum of e chrrent leaving at the same point

83
Q

kirchoffs 2nd

A

the sum if te emfs round a closed loop ina circuit is equal to the sum of e p.d. in the same loop

84
Q

ohms law

A

the current in a metsllic conductor is directly proportional to te potential difference across its ends provided its temperature does not change

85
Q

newtons 1st

A

an object remains at rest or moving at a constant velocity unless it is actin appon by a resultant force

86
Q

newtons secound

A

force =mass x velocity th resultinf force acting in a object is equal to te rst eof change of its momentum. the resultsnt force and te cha ge in momentum are int te same direction

87
Q

newtons 3rd

A

when two bodies interact the forces they exert on each other are equal and opposite

88
Q

newtons law of gravitatjon

A

a y two masses attract each other with a force that is directly proprtional to the product of thefe mass es and jnversly proportional to rhe squate of there seperation

89
Q

hooks law

A

the extension is produced in a object is proportional to the force producing it

90
Q

displacment from a velocity time graph

A

area

91
Q

velocity from a displacemnt time graph

A

gradient

92
Q

acceleration from anvelocity time graoh

A

gradient

93
Q

work done from a force extension graph

A

area

physics As level cie (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions