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Study sets matching "a2 physics"

345 terms
AQA A2 Physics Definitions
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…
15 terms
Physics A2 - Definitions - Thermal Physics
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
68 terms
Physics A2 - Thermal Physics
Describe the kinetic model of a Solid…
Describe the kinetic model of a Liquid…
Describe the kinetic model of a Gas (s…
Describe and explain what can be used…
Particles vibrate about fixed positions in regular lattice. T…
Particles are constantly moving around and are free to move p…
Particles are free to move around with constant random motion…
1. The idea that solids, liquids and gases are made up of tin…
Describe the kinetic model of a Solid…
Particles vibrate about fixed positions in regular lattice. T…
Describe the kinetic model of a Liquid…
Particles are constantly moving around and are free to move p…
10 terms
Physics Definitions AQA A2 (Magnetic Fields)
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…
94 terms
A2 AQA Physics - Magnetic Fields
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
5 terms
A2 Nuclear Physics
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…
85 terms
A2 AQA Physics - Simple Harmonic Motion
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…
27 terms
physics exam 2 a
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.
94 terms
Physics A2 Definitions
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
31 terms
A2 AQA Physics - Capacitance
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
HESI A2 Physics
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…
93 terms
Physics A2 Definitions
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…
322 terms
A2 Physics Definitions
a.c. generator
absorption spectra
acceleration (a)
acceleration of free fall (g)
A generator that, via the use of slip rings, produces an alte…
A spectrum of dark lines across the pattern of spectral colou…
The rate of change of velocity, measured in metres per second…
The acceleration of a body falling under gravity. On Earth it…
a.c. generator
A generator that, via the use of slip rings, produces an alte…
absorption spectra
A spectrum of dark lines across the pattern of spectral colou…
31 terms
A2 AQA Physics - Capacitance
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
A2 Partical Physics
Conserved
3 Rutherford Observations
3 Rutherford Conclusions
Thermionic Emission
Mass Energy... Charge ... Lepton Number... Strangeness
Most of the atoms travelled in a straight line... Some atoms def…
Atoms are mainly empty space... The nucleus is positive... The nucl…
The emission of electrons from a heated surface.
Conserved
Mass Energy... Charge ... Lepton Number... Strangeness
3 Rutherford Observations
Most of the atoms travelled in a straight line... Some atoms def…
37 terms
A2 Particle physics
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
65 terms
Physics A2 vocabulary2
alpha particles
alpha scattering
anti-matter
atom
α粒子
α粒子散射
反物质
原子
alpha particles
α粒子
alpha scattering
α粒子散射
23 terms
A2 Physics equations
Gravitational Field Strength
Gravitational Potential Energy
Gravitational Potential
Gravitational Force
*-GM/r²*
*-GMm/r*
*-GM/r*
*-GMm/r²* or F/m
Gravitational Field Strength
*-GM/r²*
Gravitational Potential Energy
*-GMm/r*
28 terms
A2 Physics: Thermal Physics
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…
100 terms
A2 AQA Physics - Radioactivity and Nuclear Properties
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…
10 terms
A2 Physics: Particle Physics
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…
79 terms
Physics AQA A2 Unit 5
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…
14 terms
Physical activities A2
climb
dive
fall
hit
climb
dive
345 terms
AQA A2 Physics Definitions
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…
9 terms
Physics AQA A2 Unit 4 - Capacitors
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
8 terms
A2 Physics: Thermodynamics
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…
A2 Physics Formulas
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…
12 terms
Physics A2 - Definitions - Circular Motion and Oscillations
Radian
Centripetal acceleration
Centripetal force
Gravitational field strength
One radian is the angle subtended at the centre of a circle b…
a = v²/r (with symbols defined) and directed towards the cent…
F = mv²/r (with symbols defined) and directed towards the cen…
It is the force (of attraction) per unit mass.
Radian
One radian is the angle subtended at the centre of a circle b…
Centripetal acceleration
a = v²/r (with symbols defined) and directed towards the cent…
31 terms
A2 Physics A: Nuclear and Thermal Physics
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…
17 terms
Definitions for A2 physics
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…
31 terms
A2 Physics Gravitational fields
Gravitational field strength definition
Gravitational field strength equation:…
Gravitational field strength equation:…
Gravitational field definition
Force per unit mass on small test mass in gravitational field
g = F/m
g=GM/r^2
Force field around a mass
Gravitational field strength definition
Force per unit mass on small test mass in gravitational field
Gravitational field strength equation:…
g = F/m
9 terms
Physics A2
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
8 terms
physics a unit 2
gravity
velocity
scalar
range
-9.81m/s^2
how fast an object moves and in what direction
a physical quantity that has only magnitude
the distance a projectile travels in the horizontal direction
gravity
-9.81m/s^2
velocity
how fast an object moves and in what direction
10 terms
A2 Physics [Nuclear Physics]
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…
33 terms
A2 A Level AQA Physics P5 Nuclear Physics
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…
33 terms
Physics A2 - Definitions - Fields, Particles and Frontiers of Physics
Electric field strength
Fleming's left-hand rule
Magnetic flux density
One tesla
force per unit positive charge.
First finger - Magnetic field, Second finger - Current, Thumb…
B = F/IL with symbols explained or appropriate statement in w…
T,The magnetic flux density when a wire of length one metre a…
Electric field strength
force per unit positive charge.
Fleming's left-hand rule
First finger - Magnetic field, Second finger - Current, Thumb…
114 terms
A2 Physics: Medical
The lens formula
Magnification equation
Power of lens
Converging lens: effect on light
1/v + 1/u = 1/f
M= v/u
1/focal length
Bring parallel rays to a point
The lens formula
1/v + 1/u = 1/f
Magnification equation
M= v/u
152 terms
OCR Physics A2 Glossary
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…
27 terms
physics exam 2 a
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.
28 terms
A2 Physics: Definitions
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…
11 terms
A2 physics definitions
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…
26 terms
A2 Physics: Radioactivity
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…
16 terms
A2 Physics - Capacitors
Capacitance Definition
Capacitance Equation
Energy Stored in Capacitor Equation
Time Constant Equation
The charge stored per unit pd, Q∝V, measured in Farads (F)
C = Q/V... Capacitance = Charge / Voltage
E = 1/2 x Q x V... Energy stored = 1/2 x Charge x Voltage ... or... E…
T = R x C... Time Constant = Resistance x Capacitance
Capacitance Definition
The charge stored per unit pd, Q∝V, measured in Farads (F)
Capacitance Equation
C = Q/V... Capacitance = Charge / Voltage
13 terms
A2 Physics EMPA
Amplitude
Time Period
Frequency
SHM
Max displacement from equilibrium position
Time for one complete cycle of oscillation
Number of cycles per second
Acceleration is proportional to displacement and in the oppos…
Amplitude
Max displacement from equilibrium position
Time Period
Time for one complete cycle of oscillation
23 terms
Physics A2 vocabulary1
electric
magnetic
field
uniform
adj.导电的,电动的... n.电,电学,电流
a 磁(性)的;(可)磁化的
n.田野;运动场;(电或磁)场;领域,范围
n.制服;a.相同的,一致的
electric
adj.导电的,电动的... n.电,电学,电流
magnetic
a 磁(性)的;(可)磁化的
Physics A2 Formulas
Angle (radians)
Angular velocity
Velocity (related with ω)
Centripetal Force
θ = length of arc/radius
ω = ∆θ/∆t... Rate of change of angular displacement.
v = ωr... r - radius... ω - angular velocity
F = mv² / r... F = mrω²
Angle (radians)
θ = length of arc/radius
Angular velocity
ω = ∆θ/∆t... Rate of change of angular displacement.
34 terms
A2 AQA Physics - PH5 Exam style questions
Draw a graph of binding energy per nuc…
Describe the energy changes that take…
State the law of conservation of angul…
How do you find the energy losses from…
Peak is at iron (A = 50) at about 8.7MeV... The curve does not d…
Energy is released when the binding energy per nucleon increa…
The total angular momentum of a system remains constant provi…
Loss of energy = change in rotational kinetic energy... Change i…
Draw a graph of binding energy per nuc…
Peak is at iron (A = 50) at about 8.7MeV... The curve does not d…
Describe the energy changes that take…
Energy is released when the binding energy per nucleon increa…
12 terms
Physics A2 glossary1
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…
16 terms
Physics A - Unit 2 Vocabulary
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…
68 terms
A2 AQA Physics - Nuclear energy
What is the equation that links mass a…
In what type of reaction does the equi…
Describe the changes in mass and energ…
Describe the changes in mass and energ…
E = mc(sqd)
Nuclear reactions
Alpha particle is emitted ... Nucleus recoils... Released energy is…
Energy is shared between the beta particle, the nucleus and t…
What is the equation that links mass a…
E = mc(sqd)
In what type of reaction does the equi…
Nuclear reactions
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