#### Study sets matching "a2 physics"

#### Study sets matching "a2 physics"

Newtons 1st law of motion

Newtons 2nd law of motion

Newtons 3rd law of motion

Momentum

An object remains at rest or in uniform motion unless acted o…

The rate of change of momentum of an object is proportional t…

For every action there is an equal and opposite reaction

The product of mass and velocity of an object... kgms-1

Newtons 1st law of motion

An object remains at rest or in uniform motion unless acted o…

Newtons 2nd law of motion

The rate of change of momentum of an object is proportional t…

ALIMENTARY CANAL

MECHANICAL BREAK DOWN OF FOOD IN THE D…

LAYERS OF THE DIGESTIVE TRACT

ANATOMIC POSTION

AKA digestive tract consisting of the mouth, pharynx, esophag…

Mouth with teeth and tongue in a process of mastication... Sali…

(From innermost to outer layer)... mucous membrane... submucous mem…

The body is erect... the feet are slightly apart... the head is hel…

ALIMENTARY CANAL

AKA digestive tract consisting of the mouth, pharynx, esophag…

MECHANICAL BREAK DOWN OF FOOD IN THE D…

Mouth with teeth and tongue in a process of mastication... Sali…

Angular Displacement

Radian

Angular Velocity

Centripetal Force

The angle θ of the arc through which an object has moved rom…

The angle subtended by an arc which equal arc length and radius

The rate of change of angular displacement

It is the resultant force acting on an object moving in a cir…

Angular Displacement

The angle θ of the arc through which an object has moved rom…

Radian

The angle subtended by an arc which equal arc length and radius

ALIMENTARY CANAL

LAYERS OF THE DIGESTIVE TRACT

APPENDICULAR SKELETON

ARTERIOLES

AKA DIGESTIVE TRACT... mouth, pharynx, esophagus, stomach, small…

(From innermost to outer layer)... 1. mucous/mucosal membrane... 2.…

OUTER ... Girdles and the limbs. ... Upper Appendicular skeleton:…

the smallest artery... Exchanging water, nutrients, and waste pr…

ALIMENTARY CANAL

AKA DIGESTIVE TRACT... mouth, pharynx, esophagus, stomach, small…

LAYERS OF THE DIGESTIVE TRACT

(From innermost to outer layer)... 1. mucous/mucosal membrane... 2.…

Angular Displacement θ (in radians)

Angular Velocity (w)

Period T, the time taken for one oscil…

Frequency... (circular motion)

Length of Arc / Radius

Angular Displacement θ / Time t... 2π * frequency (f)... 2π / tim…

2π / Angular Velocity (w)... From T = D/S

angular velocity (w) / 2π

Angular Displacement θ (in radians)

Length of Arc / Radius

Angular Velocity (w)

Angular Displacement θ / Time t... 2π * frequency (f)... 2π / tim…

Phase

Pressure

Internal energy

Ideal Gas

The state of the matter (solid, liquid or gas)

Pressure = Sum of the forces (perpendicular to the area) / Area

(The sum of) the random kinetic; and potential energies of th…

A gas that has its internal energy only in the form of kineti…

Phase

The state of the matter (solid, liquid or gas)

Pressure

Pressure = Sum of the forces (perpendicular to the area) / Area

Give examples of mechanical waves?

What makes a mechanical wave?

What are electromagnetic waves?

what are longitudinal waves?

seismic, sounds, string

waves that pass through a substance via vibrations.

oscillating electric and magnetic fields that progress throug…

waves which the direction of vibrations of particles is paral…

Give examples of mechanical waves?

seismic, sounds, string

What makes a mechanical wave?

waves that pass through a substance via vibrations.

state newtons law of gravitation?

is gravitational field strength a vect…

what is a capacitor?

what is the structure of a capacitor?

the gravitational force between 2 masses is proportional to t…

vector

device to store charge

2 parallel metal plates near but isolated from one another.

state newtons law of gravitation?

the gravitational force between 2 masses is proportional to t…

is gravitational field strength a vect…

vector

Atomic Mass Unit

Activity A

Alpha radiation

Atomic mass unit u

1/12 of the mass of a Carbon-12 atom

Of a radioactive isotope, the number of nuclei of the isotope…

Particles that are each composed of two protons and two neutr…

Correctly referred to as the unified atomic mass constant. 1/…

Atomic Mass Unit

1/12 of the mass of a Carbon-12 atom

Activity A

Of a radioactive isotope, the number of nuclei of the isotope…

Explain the term isotope (2)

Explain what is meant by radioactive d…

State what is meant by spontaneous dec…

State what is meant by random decay (1)

Nuclei with the same number of protons and a difference numbe…

Nucleus emits α-particles or β-particles and/or ϒ-radiation t…

decay is not affected by environmental factors (allow two nam…

Either time of decay (of nucleus) cannot be predicted or nucl…

Explain the term isotope (2)

Nuclei with the same number of protons and a difference numbe…

Explain what is meant by radioactive d…

Nucleus emits α-particles or β-particles and/or ϒ-radiation t…

Magnetic Field

Magnetic Flux

Magnetic Flux Density

Fleming's LHR

A region in which a force acts on magnetic materials or magne…

This passing through an area is given by the magnetic flux de…

In T, this is given by F on 1m of wire carrying a current of…

A rule showing the direction the force on a current carrying…

Magnetic Field

A region in which a force acts on magnetic materials or magne…

Magnetic Flux

This passing through an area is given by the magnetic flux de…

Capacitance

Capacitance Equation

Energy Stored in Capacitor Equation

Charging Process

The charge stored per unit pd.... Q∝V

C = Q/V.... Capacitance = Charge / Voltage

E = 1/2 x Q x V.... Energy stored = Half x Charge x Voltage

The pd across the plates increases in proportion to the charg…

Capacitance

The charge stored per unit pd.... Q∝V

Capacitance Equation

C = Q/V.... Capacitance = Charge / Voltage

Newton's 1st law

Newton's 2nd law

Newton's 3rd law

Newton's law of gravitation

An object will remain at rest or continue travelling at a con…

The rate of change of momentum of an object is directly propo…

When body A exerts a force on body B, body B exerts an equal…

the gravitational force of attraction between two bodies is d…

Newton's 1st law

An object will remain at rest or continue travelling at a con…

Newton's 2nd law

The rate of change of momentum of an object is directly propo…

Alpha-radiation

Beta-radiation

Gamma radiation

Half-life

Alpha radiation consists of positively charged alpha particle…

Beta radiation from naturally occurring radioactive sources c…

Gamma radiation consists of photons with wavelengths of the o…

The half life of a radioactive isotope is the time taken for…

Alpha-radiation

Alpha radiation consists of positively charged alpha particle…

Beta-radiation

Beta radiation from naturally occurring radioactive sources c…

What is significant about the value RC…

What happens to the maximum potential…

What is a capacitor?

Define: capacitance

It is the time constant (fancy T), signifies the time taken f…

Doesn't change

A device designed to store electrical charge and therefore st…

The capacitance of a capacitor is the charge stored per volt

What is significant about the value RC…

It is the time constant (fancy T), signifies the time taken f…

What happens to the maximum potential…

Doesn't change

In what direction do magnetic field li…

What rule determines the direction of…

What does a magnetic field line show?

How can you tell the strength of a mag…

North to south

The right hand thumb rule

The direction along which a 'free' north pole would move in t…

The closer the field lines are together the stronger the magn…

In what direction do magnetic field li…

North to south

What rule determines the direction of…

The right hand thumb rule

Gravitational potential

Gravitational force

Gravitational field strength

Gravitational potential energy

the gravitational potential energy per unit mass due to the p…

the force on a mass towards the centre of gravity due to the…

the gravitational force per unit mass due to the presence of…

the energy needed to overcome the gravitational force of a mass

Gravitational potential

the gravitational potential energy per unit mass due to the p…

Gravitational force

the force on a mass towards the centre of gravity due to the…

Absolute Zero

acoustic impedance

Activity

amplitude modulation

The theoretical temperature at which the molecules of a subst…

product of density of medium and speed of sound in medium

The number of atoms of a radioactive substance that decay per…

amplitude of carrier wave varies in synchrony with the displa…

Absolute Zero

The theoretical temperature at which the molecules of a subst…

acoustic impedance

product of density of medium and speed of sound in medium

What is significant about the value RC…

What happens to the maximum potential…

What is a capacitor?

Define: capacitance

It is the time constant (fancy T), signifies the time taken f…

Doesn't change

A device designed to store electrical charge and therefore st…

The capacitance of a capacitor is the charge stored per volt

What is significant about the value RC…

It is the time constant (fancy T), signifies the time taken f…

What happens to the maximum potential…

Doesn't change

Define: SHM

What is a restoring force?

What is the name of the force that pus…

Why is the study of oscillations impor…

Oscillatory motion in which the acceleration is directly prop…

The force that pulls that pulls or pushes an object in SHM to…

The restoring force

All waves are associated with oscillations including musical…

Define: SHM

Oscillatory motion in which the acceleration is directly prop…

What is a restoring force?

The force that pulls that pulls or pushes an object in SHM to…

When is an object moving in *uniform c…

Is

**speed**constant in uniform circula…Is

**velocity**constant in uniform circ…Is an object in uniform circular motio…

When it's moving in a circle at *constant speed*.

Yes.

No.... The speed is constant but the direction is always changing.

Yes.... Because the velocity is changing (the speed is constant,…

When is an object moving in *uniform c…

When it's moving in a circle at *constant speed*.

Is

**speed**constant in uniform circula…Yes.

Radian

Angular Velocity

Uniform Circular Motion

Centripetal Force

The angle(subtended) at the centre of a circle by an arc equa…

Equation: ω = Δθ/ Δt =v/r ... The rate of change of angle swept…

The motion of an object moving in circular path at constant s…

The resultant perpendicular force acting on an object moving…

Radian

The angle(subtended) at the centre of a circle by an arc equa…

Angular Velocity

Equation: ω = Δθ/ Δt =v/r ... The rate of change of angle swept…

Average Speed

Velocity

Scalar Quantity

Vector Quantity

the distance an object travels divided by the time the object…

refers to speed in a specific direction

quantity described simply by a numeric value and is expressed…

quantity describing the time rate of change of an object's po…

Average Speed

the distance an object travels divided by the time the object…

Velocity

refers to speed in a specific direction

Absolute Zero

Acoustic Impedance

Activity

Angular Displacement

The temperature at which a system has minimum internal energy…

Acoustic impedance Z is the product of density p of a substan…

The rate of decay or disintegration of a particle from its eq…

The angle through which an object moves in a circle.

Absolute Zero

The temperature at which a system has minimum internal energy…

Acoustic Impedance

Acoustic impedance Z is the product of density p of a substan…

Rutherford alpha Scattering

Rutherfords's investigation on radioac…

Gamma radiation

Beta radiation

Alpha particles were filed at a gold foil.... 1 in 2000 where de…

Ionising air made it conduct electricity- made detector that…

Absorbed by a few cm of lead, follows inverse square law, mad…

has a much weaker Ionising effect than alpha. range in air is…

Rutherford alpha Scattering

Alpha particles were filed at a gold foil.... 1 in 2000 where de…

Rutherfords's investigation on radioac…

Ionising air made it conduct electricity- made detector that…

First law of Thermodynamics

Ideal Gas

Internal Energy

Specific Heat Capacity

Increase in internal energy of the system is equal to the sum…

1. collisions between atoms and molecules perfectly elastic... 2…

The sum of the random distribution of kinetic and potential e…

Numerical value equal to amount of thermal energy required to…

First law of Thermodynamics

Increase in internal energy of the system is equal to the sum…

Ideal Gas

1. collisions between atoms and molecules perfectly elastic... 2…

Characteristic a gas must have for it…

Boyle's Law: wordy definition

Boyle's Law: equation

How pressure-volume graph changes with…

Fixed mass

At a constant temperature pressure p and volume V are inverse…

PV = constant k... or... p=k/V

As temp increases the graph moves further from the origin

Characteristic a gas must have for it…

Fixed mass

Boyle's Law: wordy definition

At a constant temperature pressure p and volume V are inverse…

Photon

Photoelectric effect

Threshold frequency

Work function energy

Quantum of energy in form of electromagnetic radiation, E=hf

Release of electrons from a surface of a metal when electroma…

Minimum frequency of radiation needed for an electron to esca…

Minimum energy required to release an electron from the metal…

Photon

Quantum of energy in form of electromagnetic radiation, E=hf

Photoelectric effect

Release of electrons from a surface of a metal when electroma…

Describe Rutherford's gold foil experi…

Why was is it necessary to remove the…

What was the Plum Pudding model?

What could the Plum Pudding model acco…

Using an alpha particle gun with a radioactive substance surr…

To remove unwanted air particles/contaminations that could bl…

The theory that suggested that an atom had uniform density, w…

Small deviations in the path of alpha particles as this could…

Describe Rutherford's gold foil experi…

Using an alpha particle gun with a radioactive substance surr…

Why was is it necessary to remove the…

To remove unwanted air particles/contaminations that could bl…

Rutherford Scattering Experiment

Strong Force

Weak Force

Electromagnetic Force

Where a beam of particles is sent to a nucleus and either the…

A Fundamental Force that is inside a nucleus and can be attra…

A Fundamental Force that is responsible for radioactive decay…

A Fundamental Force that acts between electrically charged pa…

Rutherford Scattering Experiment

Where a beam of particles is sent to a nucleus and either the…

Strong Force

A Fundamental Force that is inside a nucleus and can be attra…

Uniform Circular Motion

UCM Example Formula

Angular Displacement

Angular Displacement Fomula

Where an object rotates at a steady rate

v = 2πr/T.... Speed = 2 x pi x radius / Time period.

For any object in uniform circular motion, the object turns t…

θrad = 2 π t / T ... or... θrad = 2 π f t

Uniform Circular Motion

Where an object rotates at a steady rate

UCM Example Formula

v = 2πr/T.... Speed = 2 x pi x radius / Time period.

momentum

Newton's Second Law of Motion

impulse

principle of conservation of linear mo…

The product of mass and velocity. Momentum is a vector quanti…

The acceleration of an object is directly proportional to the…

The product of force and the time for which it acts.

The total momentum of a system remains constant provided no e…

momentum

The product of mass and velocity. Momentum is a vector quanti…

Newton's Second Law of Motion

The acceleration of an object is directly proportional to the…

Force

Inertia

Equilibrium

Weight

A push or a pull; an interaction between pairs of objects.

The tendency of an object to resist changing its present stat…

The state in which the net force on an object is zero.

A measure of the gravitational force from a very large object…

Force

A push or a pull; an interaction between pairs of objects.

Inertia

The tendency of an object to resist changing its present stat…

what are the 3 main types of particles

what are the 2 sub categories of parti…

what are the 2 sub categories examples…

What forces are felt by Hadrons

Hadrons... Leptons... Bosons

Baryons:Protons & Neutrons... Mesons: Pions

Baryons:( 3 quarks)... Mesons: (Quark + Antiquark)

All

what are the 3 main types of particles

Hadrons... Leptons... Bosons

what are the 2 sub categories of parti…

Baryons:Protons & Neutrons... Mesons: Pions

Astronomical Unit

Atomic Number

Binding Energy

Boyle's Law

The mean distance from the Earth to the Sun - 1.50x10^11m.

The number of protons in a nucleus - symbol Z.

The minimum energy required to completely separate a nucleus…

The pressure of an ideal gas is inversely proportional to its…

Astronomical Unit

The mean distance from the Earth to the Sun - 1.50x10^11m.

Atomic Number

The number of protons in a nucleus - symbol Z.

Define photoelectric emission

Is there delay in photoemission

When does photoemission take place

Relationship between intensity of radi…

The release of electrons from the surface of a metal when ele…

No

If incident radiation is above threshold frequency (f0)

proportional

Define photoelectric emission

The release of electrons from the surface of a metal when ele…

Is there delay in photoemission

No

Ep = m x g x h

Ek = 1/2 x m x v2

📐E = m x c x 📐🚫

P = E/t

Energy in the gravitational potential store = mass(kg) x grav…

Energy in the kinetic store = 1/2 x mass(kg) x speed(m,s)2

Change in energy thermally stored x mass(kg) x specific heat…

Power = energy transferred(J)/times(s)

Ep = m x g x h

Energy in the gravitational potential store = mass(kg) x grav…

Ek = 1/2 x m x v2

Energy in the kinetic store = 1/2 x mass(kg) x speed(m,s)2

What are the two ways of estimating th…

What is true at the closest approach t…

How is Rutherford Scattering evidence…

How does electron diffraction work?

Closest approach of an alpha particle via Rutherford scatteri…

Kinetic energy = Potential energy (1/2mv^2 = (Qq)/4pi

**E0**r)Most alpha particles pass through gold film or are deflected…

Electrons at high speeds have a de Broglie wavelength and so…

What are the two ways of estimating th…

Closest approach of an alpha particle via Rutherford scatteri…

What is true at the closest approach t…

Kinetic energy = Potential energy (1/2mv^2 = (Qq)/4pi

**E0**r)Newtons 1st law of motion

Newtons 2nd law of motion

Newtons 3rd law of motion

Momentum

An object remains at rest or in uniform motion unless acted o…

The rate of change of momentum of an object is proportional t…

For every action there is an equal and opposite reaction

The product of mass and velocity of an object... kgms-1

Newtons 1st law of motion

An object remains at rest or in uniform motion unless acted o…

Newtons 2nd law of motion

The rate of change of momentum of an object is proportional t…

Conclusions from Rutherford scattering…

Closest approach of a scattered partic…

Electron diffraction equation for mini…

Advantage of electron diffraction method

-Nuclei must be positive to repel positively charged alpha pa…

Initial Ek = E(elec) = Q(nucleus)q(particle)/4πε₀r... ε₀ = permi…

sinθ = 1.22λ/d... where λ = hc/E

Electrons not affected by strong nuclear force

Conclusions from Rutherford scattering…

-Nuclei must be positive to repel positively charged alpha pa…

Closest approach of a scattered partic…

Initial Ek = E(elec) = Q(nucleus)q(particle)/4πε₀r... ε₀ = permi…

define atomic mass unit (u)

define mass defect

Define binding energy

Define mass excess

1/12 the mass of a carbon-12 atom

Difference between mass of nucleus and total mass of separate…

Energy required to separate to infinity all the nucleons of a…

Difference in mass of product and reactant nuclei

define atomic mass unit (u)

1/12 the mass of a carbon-12 atom

define mass defect

Difference between mass of nucleus and total mass of separate…

electric potential

capacitance

electric field strength

simple harmonic motion

(V) The electric potential at a point is equal to the work do…

The charge stored per unit pd of a capacitor. The unit of cap…

(E) The force per unit charge on a small, positively charged…

Acceleration is directly proportional to displacement but in…

electric potential

(V) The electric potential at a point is equal to the work do…

capacitance

The charge stored per unit pd of a capacitor. The unit of cap…

How does a discharge tube work?

What is the negative glow in a dischar…

What is the positive column in a disch…

What is thermionic emission?

An electric field strips electrons from gas atoms in the tube…

The negative glow near the cathode is due to photons emitted…

The free electrons from the cathode are accelerated and colli…

When a metal is heated such that electrons in it gain enough…

How does a discharge tube work?

An electric field strips electrons from gas atoms in the tube…

What is the negative glow in a dischar…

The negative glow near the cathode is due to photons emitted…

Rutherford alpha Scattering

Rutherfords's investigation on radioac…

Gamma radiation

Beta radiation

Alpha particles were filed at a gold foil.... 1 in 2000 where de…

Ionising air made it conduct electricity- made detector that…

Absorbed by a few cm of lead, follows inverse square law, mad…

has a much weaker Ionising effect than alpha. range in air is…

Rutherford alpha Scattering

Alpha particles were filed at a gold foil.... 1 in 2000 where de…

Rutherfords's investigation on radioac…

Ionising air made it conduct electricity- made detector that…

Radioactive Half Life

Isotope

Radioactive Decay Constant

Binding Energy

The average time it takes for the number of unstable nuclei t…

Atoms with the same number of protons but different number of…

The probability if an individual nucleus decaying per second

The work that must be done to seperate a nucleus into it's co…

Radioactive Half Life

The average time it takes for the number of unstable nuclei t…

Isotope

Atoms with the same number of protons but different number of…

Motion

Distance

Displacement

Vector Quantity

A change in a object's motion relative to a reference point.

The length an object travels, measured in SI units.

Distance and direction of an object's change in position from…

Measured in units and direction

Motion

A change in a object's motion relative to a reference point.

Distance

The length an object travels, measured in SI units.