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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…
92 terms
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…
8 terms
A2 Physics Definitions
Angular Displacement
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…
The angle subtended by an arc which equal arc length and radius
57 terms
HESI A2 Physics
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.…
15 terms
A2 Physics Formulas
Angular Velocity (w)
Period T, the time taken for one oscil…
Frequency... (circular motion)
Angular Displacement θ / Time t... 2π * frequency (f)... 2π / tim…
2π / Angular Velocity (w)... From T = D/S
angular velocity (w) / 2π
Angular Velocity (w)
Angular Displacement θ / Time t... 2π * frequency (f)... 2π / tim…
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
702 terms
AS & A2 PHYSICS
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.
264 terms
A2 PHYSICS ONLY
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
79 terms
Physics AQA A2 Unit 5
Atomic Mass Unit
Activity A
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…
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…
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…
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
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 A: Nuclear and Thermal Physics
Half-life
Alpha radiation consists of positively charged alpha particle…
Gamma radiation consists of photons with wavelengths of the o…
The half life of a radioactive isotope is the time taken for…
Alpha radiation consists of positively charged alpha particle…
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
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
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…
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
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.
93 terms
Physics A2 Definitions
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…
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…
34 terms
HESI A2 - Physics
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
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…
33 terms
A2 A Level AQA Physics P5 Nuclear Physics
Rutherford alpha Scattering
Alpha particles were filed at a gold foil.... 1 in 2000 where de…
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…
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…
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…
5 terms
Physics A2 - Quantum physics
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…
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…
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
21 terms
Physics AQA A2 Unit 4 - Motion in a Circle
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.
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…
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
Baryons:Protons & Neutrons... Mesons: Pions
Baryons:( 3 quarks)... Mesons: (Quark + Antiquark)
All
what are the 3 main types of particles
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

alpha particles
α粒子
alpha scattering
α粒子散射
33 terms
Physics A2 Definitions
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.
46 terms
A2 Physics [Quantum Physics]
Define photoelectric emission
Is there delay in photoemission
When does photoemission take place
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
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
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
63 terms
Nuclear and Thermal Physics (A2)
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)/4piE0r)
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)/4piE0r)
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…
26 terms
Conclusions from Rutherford scattering…
Closest approach of a scattered partic…
Electron diffraction equation for mini…
-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…
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…
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…
58 terms
Turning Points in Physics (A2)
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…
33 terms
A2 A Level AQA Physics P5 Nuclear Physics
Rutherford alpha Scattering
Alpha particles were filed at a gold foil.... 1 in 2000 where de…
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…
5 terms
Isotope
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…
The average time it takes for the number of unstable nuclei t…
Isotope
Atoms with the same number of protons but different number of…
33 terms
Physics A 2
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.
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