Physics Final

Front 1

resistance sucks up

Back 1

voltage

Front 2

in a series circuit, describe the voltage

Back 2

the voltage is the same all around

Front 3

in a parallel circuit, describe the current

Back 3

the current is the same all around

Front 4

what happens to a current at a junction

Back 4

it splits..duh

Front 5

the brightness of a bulb is dependent on the

Back 5

current; larger current = brighter bulb

Front 6

when light transmits through the first polarizer it

Back 6

the transmittance splits in HALF

Front 7

blue light has the most energy because it has the

Back 7

shortest wavelength

Front 8

Describe the photons emitted per second according to wavelength and the energy emitted per second.

Back 8

the light with the longer wavelength will emit more photons just lower energy photons, yet all light emits the same energy per second

Front 9

a photon is emitted when there is a transition between

Back 9

high energy to low energy

Front 10

resistance for a parallel series

Back 10

1/R1 + 1/R2 + 1/R3

Front 11

Resistance in a series circuit

Back 11

R1 + R2 + R3

Front 12

current stays the same in a series but not in a parallel because

Back 12

there are junctions

Front 13

in the process of fission (splitting) describe the products and reactants

Back 13

the reactants will have more mass than the products (additional energy)

Front 14

in terms of the observing reference point describe the time and length

Back 14

time dilates (things appear to move slower)
length contracts

Front 15

less mass in an element means more

Back 15

stability

Front 16

any element over the mass number of ____ will not have much affect on stability

Back 16

60

Front 17

describe binding energy in elements according to mass

Back 17

binding energy decreases around mass number of 60

Front 18

in terms of fusion, describe the products and reactants

Back 18

the product will have more mass than the reactants (additional energy)

Front 19

when an image is to the right of the lens =

Back 19

real

Front 20

when image is the left of lens =

Back 20

virtual

Front 21

when the height is a negative value this means the image is

Back 21

inverted

Front 22

when the height is positive value this means the images is

Back 22

upright

Front 23

when the distance of an object is a negative value this means the image is

Back 23

left of the lens

Front 24

when the distance of an object is a positive value this means the images is

Back 24

right of the lens

Front 25

virtual objects only occur when there are

Back 25

two lenses

Front 26

de Broglie's wavelength

Back 26

wavelength is proportional to h/ momentum
or
frequency is proportional to the total energy (KE + RE)

Front 27

frequency =

Back 27

c / wavelength

Front 28

as charge increases, potential

Back 28

increases

Front 29

value of a dielectric

Back 29

it increases capacitance and voltage

Front 30

when the distance between plates in a capacitor increase, this means capacitances

Back 30

decrease

Front 31

Describe E field in a parallel-plate capacitor

Back 31

uniform E Field

Front 32

Describe electric field inside a conductor

Back 32

zero

Front 33

Describe the relationship between E field and conducting surface

Back 33

E field is always PERPENDICULAR to the conducting surface

Front 34

Describe the potential when the charge is moved along an electric field line, in the same direction as the field

Back 34

the potential is non-zero when the charge moves along the same direction as a field line

Front 35

electric potential

Back 35

the electric potential energy per unit charge

Front 36

How to increase capacitance

Back 36

decrease plate spacing and increase plate area

Front 37

If an electron were to move from a region of low electric potential to a region of high electric potential, its electric potential energy would

Back 37

decrease

Front 38

Describe an E field where the potential is the same throughout.

Back 38

E = 0

Front 39

Describe E field between capacitors

Back 39

E field is zero between plates of a capacitor

Front 40

Describe relationship between charge and capacitance

Back 40

charge does not influence capacitance

Front 41

How to determine E field of capacitor

Back 41

Gauss Law

Front 42

emf refers to

Back 42

voltage (difference of electric potential energy between two points)

Front 43

relationship between voltage and current

Back 43

proportional

Front 44

what is actually flowing through wires

Back 44

electrons

Front 45

relationship between temperature and resistance

Back 45

temperature decreases so does resistance

Front 46

length contraction only occurs

Back 46

in the direction of motion

Front 47

units of energy and how to convert to eV

Back 47

J but to convert to eV you must divide by e

Front 48

limitations of a magnetic field exerting forces

Back 48

magnetic field cannot only exert force on a particle that is moving and that is charged

Front 49

magnetic force is in what direction of a particle

Back 49

perpendicular

Front 50

describe maximum magnetic force

Back 50

the maximum magnetic force a charge can feel is one that is perpendicular to it

Front 51

describe the magnetic field in a solenoid

Back 51

the magnetic field is parallel to the axis of a solenoid

Front 52

relationship between E field and B field

Back 52

perpendicular to each other

Front 53

shortest wavelength to longest

Back 53

radio
microwave
infrared
visible
UV
x-ray
gamma

Front 54

describe light through a virtual image

Back 54

virtual image means no light passes through it

Front 55

describe an image in a CONVEX mirror

Back 55

the image is always virtual, and it is always upright

Front 56

magnified mirrors are what shape?

Back 56

concave (think of your own mirror)

Front 57

if the image distance is negative this means the image is

Back 57

virtual

Front 58

no matter the type of mirror or lens, a real image is always

Back 58

inverted

Front 59

destructive interference

Back 59

destructive interference occurs when two waves arrive exactly out of phase