# Study sets matching "a2 physics"

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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 on…

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

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 on…

Newtons 2nd law of motion

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

Uniform circular motion

Angular displacement

Angular velocity

Centripetal acceleration

Constant speed but velocity constantly changing because it cha…

Angle subtended in a circular motion. Measured in radians

Angular displacement divided by time taken. Measured in radian…

Acceleration directed towards the centre of the circle in circ…

Uniform circular motion

Constant speed but velocity constantly changing because it cha…

Angular displacement

Angle subtended in a circular motion. Measured in radians

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 pro…

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.…

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Solid, Liquid, Gas structures

Internal energy

3 ways of heat transfer

First Law of Thermodynamics Equation

Solid: Tight packed together, vibrating about fixed positions…

The internal energy of a system is the sum of the

**random**dis…Convection... Conduction... Radiation

Solid, Liquid, Gas structures

Solid: Tight packed together, vibrating about fixed positions…

Internal energy

The internal energy of a system is the sum of the

**random**dis…Magnetic Field

Magnetic Flux

Magnetic Flux Density

Fleming's LHR

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

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

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

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

Magnetic Field

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

Magnetic Flux

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

Define: SHM

What is a restoring force?

What is the name of the force that push…

Why is the study of oscillations import…

Oscillatory motion in which the acceleration is directly propo…

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

The restoring force

All waves are associated with oscillations including musical a…

Define: SHM

Oscillatory motion in which the acceleration is directly propo…

What is a restoring force?

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

Capacitor

capacitance (C)

Farad

Exponential decay

A circuit component that stores energy by separating charges o…

The charge which can be stored per unit potential difference a…

Unit of capacitance (F). 1 F is 1 C of charge stored per volt.

The quantity decreases at a rate that is proportional to the m…

Capacitor

A circuit component that stores energy by separating charges o…

capacitance (C)

The charge which can be stored per unit potential difference a…

Rutherford alpha Scattering

Rutherfords's investigation on radioact…

Gamma radiation

Beta radiation

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

Ionising air made it conduct electricity- made detector that m…

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

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 def…

Rutherfords's investigation on radioact…

Ionising air made it conduct electricity- made detector that m…

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 neutro…

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

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…

In what direction do magnetic field lin…

What rule determines the direction of t…

What does a magnetic field line show?

How can you tell the strength of a magn…

North to south

The right hand thumb rule

The direction along which a 'free' north pole would move in th…

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

In what direction do magnetic field lin…

North to south

What rule determines the direction of t…

The right hand thumb rule

Angular Displacement

Radian

Angular Velocity

Centripetal Force

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

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 circ…

Angular Displacement

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

Radian

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

What is significant about the value RC…

What happens to the maximum potential d…

What is a capacitor?

Define: capacitance

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

Doesn't change

A device designed to store electrical charge and therefore sto…

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 fo…

What happens to the maximum potential d…

Doesn't change

Angular Displacement θ (in radians)

Angular Velocity (w)

Period T, the time taken for one oscill…

Frequency

Length of Arc / Radius

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

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

angular velocity (ω) / 2π

Angular Displacement θ (in radians)

Length of Arc / Radius

Angular Velocity (w)

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

Describe Rutherford's gold foil experim…

Why was is it necessary to remove the a…

What was the Plum Pudding model?

What could the Plum Pudding model accou…

Using an alpha particle gun with a radioactive substance surro…

To remove unwanted air particles/contaminations that could blo…

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

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

Describe Rutherford's gold foil experim…

Using an alpha particle gun with a radioactive substance surro…

Why was is it necessary to remove the a…

To remove unwanted air particles/contaminations that could blo…

Gravitational field

Gravitational field strength (g)

Radial field

Uniform field

The area around an object where a gravitational force is exert…

The force per unit mass on a test mass placed within the field…

The field around a spherical/circular object where all field l…

The gravitational field strength is the same in magnitude and…

Gravitational field

The area around an object where a gravitational force is exert…

Gravitational field strength (g)

The force per unit mass on a test mass placed within the field…

Explain the term isotope (2)

Explain what is meant by radioactive de…

State what is meant by spontaneous deca…

State what is meant by random decay (1)

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

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

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

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

Explain the term isotope (2)

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

Explain what is meant by radioactive de…

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

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 en…

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.…

What is significant about the value RC…

What happens to the maximum potential d…

What is a capacitor?

Define: capacitance

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

Doesn't change

A device designed to store electrical charge and therefore sto…

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 fo…

What happens to the maximum potential d…

Doesn't change

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 through…

waves which the direction of vibrations of particles is parall…

Give examples of mechanical waves?

seismic, sounds, string

What makes a mechanical wave?

waves that pass through a substance via vibrations.

Radian

Angular Velocity

Uniform Circular Motion

Centripetal Force

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

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

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

The resultant perpendicular force acting on an object moving i…

Radian

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

Angular Velocity

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

Absolute Zero

acoustic impedance

Activity

amplitude modulation

The theoretical temperature at which the molecules of a substa…

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 displac…

Absolute Zero

The theoretical temperature at which the molecules of a substa…

acoustic impedance

product of density of medium and speed of sound in medium

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State the first law of thermodynamics

How can the work done on/by a gas at a…

What is an isothermal process?

What does the first law of thermodynami…

The change in the internal energy of a closed system is equal…

WD = pΔV

A process that takes place at a constant temperature

Q = W as Δu = 0

State the first law of thermodynamics

The change in the internal energy of a closed system is equal…

How can the work done on/by a gas at a…

WD = pΔV

Average speed

Velocity

vector quantity

Average velocity

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

Speed in a specific direction ... Vector quantity and must be ex…

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

V av = Vf + Vi... --------... 2

Average speed

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

Velocity

Speed in a specific direction ... Vector quantity and must be ex…

state newtons law of gravitation?

is gravitational field strength a vecto…

what is a capacitor?

what is the structure of a capacitor?

the gravitational force between 2 masses is proportional to th…

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 th…

is gravitational field strength a vecto…

vector

Draw a graph of binding energy per nucl…

Describe the energy changes that take p…

State the law of conservation of angula…

How do you find the energy losses from…

Peak is at iron (A = 50) at about 8.7MeV... The curve does not dr…

Energy is released when the binding energy per nucleon increas…

The total angular momentum of a system remains constant provid…

Loss of energy = change in rotational kinetic energy... Change in…

Draw a graph of binding energy per nucl…

Peak is at iron (A = 50) at about 8.7MeV... The curve does not dr…

Describe the energy changes that take p…

Energy is released when the binding energy per nucleon increas…