#### Study sets matching "ib physics"

#### Study sets matching "ib physics"

1- Fundamental Units

1- Derived Units

1- Accuracy

1- Precision

seven basic units of the SI measurement system: kilogram, sec…

units that are combinations of fundamental units. These combi…

An indication of how close a measurement is to the accepted v…

An indication of the agreement among a number of measurements…

1- Fundamental Units

seven basic units of the SI measurement system: kilogram, sec…

1- Derived Units

units that are combinations of fundamental units. These combi…

1- Fundamental Units

1- Derived Units

1- Accuracy

1- Precision

seven basic units of the SI measurement system: kilogram, sec…

units that are combinations of fundamental units. These combi…

An indication of how close a measurement is to the accepted v…

An indication of the agreement among a number of measurements…

1- Fundamental Units

seven basic units of the SI measurement system: kilogram, sec…

1- Derived Units

units that are combinations of fundamental units. These combi…

Newton's second law equation

Newton's 3rd Law

Translation

Rotation

F = m * A

When a force acts on a body an equal and opposite force acts…

The motion of an object when it's center of mass moves to a n…

The motion of an object the object spins on it's own center o…

Newton's second law equation

F = m * A

Newton's 3rd Law

When a force acts on a body an equal and opposite force acts…

Displacement

Velocity

Speed

Acceleration

Position of an object relative to its starting position.

Rate of change of displacement.

Rate of change of distance.

Rate of change of velocity.

Displacement

Position of an object relative to its starting position.

Velocity

Rate of change of displacement.

What are the S.I. fundamental units?

PRECISION

ACCURACY

PROPORTIONAL

kilogram, metre, second, ampere, mole, Kelvin

the closeness of all the results agreeing with one another

how close the results appear to be to the true or accepted va…

When two quantities plotted on a graph produce a straight lin…

What are the S.I. fundamental units?

kilogram, metre, second, ampere, mole, Kelvin

PRECISION

the closeness of all the results agreeing with one another

Superposition

Polariser

Reflection

Refraction

When two or more waves of the same type arrive at a given poi…

A sheet of material with a molecular structure that only allo…

The angle of incidence i (angle between the ray and the norma…

The travel of light from one medium into another where it has…

Superposition

When two or more waves of the same type arrive at a given poi…

Polariser

A sheet of material with a molecular structure that only allo…

PRECISION

What are the S.I. fundamental units?

ACCURACY

PROPORTIONAL

the closeness of all the results agreeing with one another

kilogram, metre, second, ampere, mole, Kelvin

how close the results appear to be to the true or accepted va…

When two quantities plotted on a graph produce a straight lin…

PRECISION

the closeness of all the results agreeing with one another

What are the S.I. fundamental units?

kilogram, metre, second, ampere, mole, Kelvin

State the equation relating energy, ma…

Define nuclear binding energy

Define Unified mass unit

Define mass defect

The energy required to assemble / separate a nucleus from its…

1/12th the mass of a carbon-12 nucleus

Difference between mass of nucleus... and total mass of separate…

State the equation relating energy, ma…

Define nuclear binding energy

The energy required to assemble / separate a nucleus from its…

Vector

Scalar

Force

Newton's I Law

Quantities with magnitude & direction

Quantities with just magnitude

A push or a pull (Tension, Normal, Gravitational Force, Frict…

A body will remain at rest or moving with constant velocity u…

Vector

Quantities with magnitude & direction

Scalar

Quantities with just magnitude

Degraded Energy

Efficiency

Energy Density

Non-Renewable Energy Sources

In any process that involves energy transformations, the ener…

Approximate overall energy efficiencies for different types o…

Energy density is defined as the energy liberated per unit ma…

Those energy sources that can be used up and eventually run out

Degraded Energy

In any process that involves energy transformations, the ener…

Efficiency

Approximate overall energy efficiencies for different types o…

Equation relating thermal energy, mass…

Equation relating thermal energy, mass…

Equation relating pressure, force and…

Define specific heat capacity

the energy required to change the temperature (of a substance…

Equation relating thermal energy, mass…

Equation relating thermal energy, mass…

absolute uncertainty

absolute zero

absorption spectra

acceleration of free fall

a quantity giving the extremes a measured value falls within

the temperature at which all random motion of molecules stops

the set of wavelengths of photons absorbed by a substance

the acceleration due to the pull of the Earth on a body

absolute uncertainty

a quantity giving the extremes a measured value falls within

absolute zero

the temperature at which all random motion of molecules stops

Uncertainty

Systematic Error

Random Error

Accuracy

A bias or flaw in perception when using a measurement instrum…

Errors that consistently throw measurements off in the same w…

Errors that affect the reading at random

Hitting the center or expected spot, when systematic error is…

Uncertainty

A bias or flaw in perception when using a measurement instrum…

Systematic Error

Errors that consistently throw measurements off in the same w…

Order of magnitude

Quantity

Systematic error (uncertainty)

Random uncertainty (error)

The power of magnitude of a value is the order of 10 when the…

something that can be expressed in a magnitude (value) with a…

An error that occurs on all measurements

An unpredictable and largely uncontrollable uncertainty, whic…

Order of magnitude

The power of magnitude of a value is the order of 10 when the…

Quantity

something that can be expressed in a magnitude (value) with a…

Vector

Scalar

Average velocity

Average speed

A quantity that has magnitude and direction.

A quantity that has magnitude only.

A vector quantity calculated using displacement per unit of t…

A scalar quantity calculated using distance per unit of time…

Vector

A quantity that has magnitude and direction.

Scalar

A quantity that has magnitude only.

thermal equilibrium

temperature

absolute temperature

interal energy

state of same temperature

scalar quantity, measured in Celsius/kelvin

zero kelvin at absolute zero (temp at which all matter has mi…

the total of the potential energy and the random KE of all of…

thermal equilibrium

state of same temperature

temperature

scalar quantity, measured in Celsius/kelvin

photoelectric emission

de Broglie waves

atom

molecule

the freeing of electrons from the surface of a metal when lig…

all particles can be represented as (probability) waves; whic…

the smallest neutral particle that represents an element

smallest particle of a substance that can exist under normal…

photoelectric emission

the freeing of electrons from the surface of a metal when lig…

de Broglie waves

all particles can be represented as (probability) waves; whic…

Random Errors

Systematic Errors

Precision

Accuracy

A random error, is an error which affects a reading at random…

A systematic error, is an error which occurs at each reading.…

A measurement is said to be precise if it has little random e…

A measurement is said to be accurate if it has little systema…

Random Errors

A random error, is an error which affects a reading at random…

Systematic Errors

A systematic error, is an error which occurs at each reading.…

State the equation relating energy, ma…

Define nuclear binding energy

Define Unified mass unit

Define mass defect

The energy required to assemble / separate a nucleus from its…

1/12th the mass of a carbon-12 nucleus

Difference between mass of nucleus... and total mass of separate…

State the equation relating energy, ma…

Define nuclear binding energy

The energy required to assemble / separate a nucleus from its…

displacement

velocity

speed

acceleration

distance traveled in a particular direction from a specified…

the displacement of an object over time

the distance traveled by an object over time

change in velocity per unit time

displacement

distance traveled in a particular direction from a specified…

velocity

the displacement of an object over time

Displacement

Velocity

Speed

Acceleration

Position of an object relative to its starting position.

Rate of change of displacement.

Rate of change of distance.

Rate of change of velocity.

Displacement

Position of an object relative to its starting position.

Velocity

Rate of change of displacement.

Temperature (T)

Thermal Equilibrium

Internal Energy of a Substance (U)

Thermal Energy (Heat) (Q)

A measure of the average random kinetic energy of all the par…

Two objects are in thermal equilibrium when they are at the s…

The total potential energy and random kinetic energy of the m…

Energy transferred between two substances by non-mechanical m…

Temperature (T)

A measure of the average random kinetic energy of all the par…

Thermal Equilibrium

Two objects are in thermal equilibrium when they are at the s…

1. Fundamental Units

2. Derived Units

3. Accuracy

4. Precision

seven basic units of the SI measurement system: kilogram, sec…

units that are combinations of fundamental units. These combi…

An indication of how close a measurement is to the accepted v…

An indication of the agreement among a number of measurements…

1. Fundamental Units

seven basic units of the SI measurement system: kilogram, sec…

2. Derived Units

units that are combinations of fundamental units. These combi…

Example of Oscillation

Amplitude (x0)

Time period

Frequency

A swing

The maximum displacement from the equilibrium position

Time needed complete one full cycle

Number of oscillations produced per second.

Example of Oscillation

A swing

Amplitude (x0)

The maximum displacement from the equilibrium position

Measurement and uncertainties---UNIT 1

scalar

Fundmental units in SI system

Vector

...

a quantity with magnitude only eg. length

1. Length-metre-m... 2. Mass-kilogram-kg... 3. Time-second-s... 4. Ele…

a quantity with magnitude and direction eg. velocity

Measurement and uncertainties---UNIT 1

...

scalar

a quantity with magnitude only eg. length

Frame of Reference

Galilean Transformation

Inertial Frame of Reference

Special Theory of Relativity

A coordinate system in which measurements of position and tim…

Transforming from one inertial frame to another moving at con…

A frame of reference that is not accelerating but is at rest…

Two postulates: ... 1) The laws of physics are the same in all i…

Frame of Reference

A coordinate system in which measurements of position and tim…

Galilean Transformation

Transforming from one inertial frame to another moving at con…

angular displacement

angular velocity

centripetal force

gravitational field strength

the angle through which an object moves in a circular path, o…

the rate of change of angular position of a rotating object

the force which acts towards the centre of orbit for a rotati…

the force per unit mass, acting upon a small/test mass at tha…

angular displacement

the angle through which an object moves in a circular path, o…

angular velocity

the rate of change of angular position of a rotating object

magnetic flux, Φ [weber, Wb]

magnetic flux linkage, NΦ [weber, Wb]

Faraday's law of electromagnetic induc…

Lenz's law

the magnetic flux through a region is a measure of the number…

product of number of turns in a coil and the flux through the…

the e.m.f. induced in a circuit/coil/loop is equal to/proport…

the induced e.m.f. / current is in such a direction that its…

magnetic flux, Φ [weber, Wb]

the magnetic flux through a region is a measure of the number…

magnetic flux linkage, NΦ [weber, Wb]

product of number of turns in a coil and the flux through the…

amplitude, X0 [m]

frequency, f [Hz]

period, T [s]

monochromatic

magnitude of the maximum displacement from the equilibrium po…

number of oscillations/vibrations per unit time.

time taken for one complete oscillation

single frequency / single colour

amplitude, X0 [m]

magnitude of the maximum displacement from the equilibrium po…

frequency, f [Hz]

number of oscillations/vibrations per unit time.

electric potential difference V [volt,…

electronvolt, eV

electric current, I [ampere, A]

electromotive force (emf), ξ [volt, V]

energy per unit charge; to move positive test charge between…

the work done to move one electron through a potential differ…

the rate of flow of charge past a given cross-section (of the…

work done per unit charge in moving charge completely around…

electric potential difference V [volt,…

energy per unit charge; to move positive test charge between…

electronvolt, eV

the work done to move one electron through a potential differ…

temperature, T [K]

thermal energy

heat, Q [J]

thermal equilibrium

measure of how hot something is (it can be used to work out t…

thermal energy is the KE of the component particles of an obj…

energy transferred from one body to another due to a temperat…

2 bodies that are in thermal contact are in thermal equilibri…

temperature, T [K]

measure of how hot something is (it can be used to work out t…

thermal energy

thermal energy is the KE of the component particles of an obj…

displacement, s [m]

velocity, v [m s-1]

speed, v [m s-1]

acceleration, a [m s-2]

displacement of a particle is the length and direction of a l…

rate of change of position with time

rate of distance travelled along a path

rate of change of velocity with time, change in velocity / ra…

displacement, s [m]

displacement of a particle is the length and direction of a l…

velocity, v [m s-1]

rate of change of position with time

Fundamental units

Derived units

Precision

Accuracy

seven basic units of the SI measurement system: kilogram, sec…

Combinations of SI base units

Exact in measuring, recording, etc.

A description of how close a measurement is to the true value…

Fundamental units

seven basic units of the SI measurement system: kilogram, sec…

Derived units

Combinations of SI base units

Precision

Accuracy

Random Errors

Systematic Errors

A measurement is said to be precise if it has little random e…

A measurement is said to be accurate if it has little systema…

A random error, is an error which affects a reading at random.

A systematic error, is an error which occurs at each reading.

Precision

A measurement is said to be precise if it has little random e…

Accuracy

A measurement is said to be accurate if it has little systema…

Fundamental Units

Derived Units

Significant Figure Rules

Order of Magnitude

Base units for all our physical measurements.... They are the me…

Based on the fundamental units. Examples include volume and d…

Final answer should not have more sig figs than that of the l…

Distance (m):... 10^26 = Radius of the universe... 10^-15 = Diamete…

Fundamental Units

Base units for all our physical measurements.... They are the me…

Derived Units

Based on the fundamental units. Examples include volume and d…

Describe the photoelectric effect

State three observations of photoelect…

What is the work function of a metal s…

Define threshold frequency.

The effect whereby if light is shone onto a metal surface, el…

1) Electrons are only emitted if the light is above a certain…

The minimum energy required to emit an electron from a metal…

Minimum frequency of radiation required to release an electro…

Describe the photoelectric effect

The effect whereby if light is shone onto a metal surface, el…

State three observations of photoelect…

1) Electrons are only emitted if the light is above a certain…

Fundamental units

Derived units

Accuracy

Precision

Seven basic units of the SI measurement system: kilogram, sec…

Units that are combinations of fundamental units. These combi…

An indication of how close a measurement is to the accepted v…

An indication of the agreement among a number of measurements…

Fundamental units

Seven basic units of the SI measurement system: kilogram, sec…

Derived units

Units that are combinations of fundamental units. These combi…