Year 11 Physics Unit 1 and 2 Review

Flashcards for Year 11 Physics Unit 1 and 2 review, covering key concepts, definitions, and formulas.

__ is the distance between two consecutive points that are in phase on a wave.

The distance between two consecutive points that are in phase (e.g., crest to crest or trough to trough).

__ is the number of complete wave cycles passing a given point per unit of time.

The number of complete wave cycles that pass a given point per unit of time.

__ is the maximum displacement of particles from their rest position in a wave.

The maximum displacement of particles from their rest position, which often relates to the wave's energy.

__ is the rate at which a wave travels through a medium.

The rate at which the wave travels through the medium.

__ refers to the transmission of energy through oscillating electric and magnetic fields.

Electromagnetic radiation refers to the transmission of energy through oscillating electric and magnetic fields at the speed of light.

The __ refers to the change in frequency or wavelength of a wave due to relative motion.

The change in frequency or wavelength of a wave as observed by someone moving relative to the wave source.

__ objects give off their own light.

Objects that give off their own light.

__ objects can be seen because they reflect light.

Objects that can be seen because they reflect light.

The model for light assumes it travels in a straight line path called a __.

The model for light assumes that it travels in a straight line path called a LIGHT __.

The is equal to the .

The angle of incidence is equal to the angle of reflection.

is observed because refactive index values vary for .

Dispersion is observed because refactive index values vary for different colored light.

__ is the angle of incidence that provides an angle of refraction of 90 degrees.

The angle of incidence that provides an angle of refraction of 90 degrees.

When the angle of is greater than the , total internal reflection ocurs.

When the angle of incidence is greater than the critical angle, total internal reflection occurs.

__ is the transfer of energy from one body to another due to a temperature difference.

Heat is the transfer of energy from one body to another due to a temperature difference.

__ is a measure of the average translational kinetic energy of particles.

Temperature is a measure of the average translational kinetic energy of particles.

__ is the transfer of heat through a substance as a result of collisions between neighboring vibrating particles.

Conduction is the transfer of heat through a substance as a result of collisions between neighboring vibrating particles.

__ is the transfer of heat in a fluid as a result of the movement of particles within the fluid.

Convection is the transfer of heat in a fluid as a result of the movement of particles within the fluid.

__ is the heat transfer without the presence of particles.

Radiation is the heat transfer without the presence of particles.

__ is The amount of energy required to increase the temperature of 1 kilogram of the material by 1 degree Celcius or Kelvin.

The amount of energy required to increase the temperature of 1 kilogram of the material by 1 degree Celcius or Kelvin.

__ is The amount of heat energy absorbed or released by a substance during a phase change without changing its temperature.

The amount of heat energy absorbed or released by a substance during a phase change without changing its temperature.

__ is The heat required to change a solid into a liquid at a constant temperature.

The heat required to change a solid into a liquid at a constant temperature.

__ is defined as the heat required to change a liquid into a gas at a constant temperature.

The heat required to change a liquid into a gas at a constant temperature.

__ is the process by which molecules at the surface of a liquid gain enough kinetic energy to transition into the gaseous phase.

The process by which molecules at the surface of a liquid gain enough kinetic energy to transition into the gaseous phase, even if the liquid is below its boiling point.

The Earth's surface receives a certain amount of energy. The secondary source from within the .

The Earth's surface receives a certain amount of solar energy. The secondary source from within the Earth.

The __ is caused by the burning of fossil fuels, agriculture, land clearing and increasing concentrations of greenhouse gases.

The enhanced greenhouse effect is caused by the burning of fossil fuels, agriculture, land clearing and increasing concentrations of greenhouse gases.

states that mass and are equivalent.

Einstein’s equation states that mass and energy are equivalent.

__ is the difference in mass of the parent nucleus and the products of the decay.

The difference in mass of the parent nucleus and the products of the decay.

__ is The amount of energy needed to overcome the strong nuclear force and pull apart a nucleus.

The amount of energy needed to overcome the strong nuclear force and pull apart a nucleus or the amount of energy released when protons and neutrons colllide and are brought together to form the nucleus.

__ is the splitting of a single nucleus.

The splitting of a single nucleus.

__ is the joining of two nuclei

The joining of two nuclei.

__ is the process by which an unstable atomic nucleus loses energy by emitting radiation, changing into a more stable nucleus.

Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, changing into a more stable nucleus.

is the minimum amount of uranium is needed for a self-sustaining reaction.

Critical mass is the minimum amount of uranium is needed for a self-sustaining chain reaction.

An object becomes charged due to rubbing the and is said to possess an electric .

An object becomes charged due to rubbing the surface and is said to possess an electric charge

An electric __ is a material in which charged particles can move and travel freely through.

A material in which charged particles can move and travel freely through.

are when atoms lose or gain one or more .

Ions are when atoms lose or gain one or more electrons.

The charge on a in +(positive) and the charge on an is - (negative) 1.6 × 10− 19 C.

The charge on a proton in +(positive) and the charge on an electron is - (negative) 1.6 × 10− 19 C

One __ is the current in a conductor when 1 coulomb of charge passes a point in the conductor every second.

One ampere is the current in a conductor when 1 coulomb of charge passes a point in the conductor every second.

__ is the work done per unit charge to move a charge between two points in an electric field.

Electric potential difference is the work done per unit charge to move a charge between two points in an electric field. -the potential energy per unit charge.

__ is a measure of the energy supplied to each coulomb of charge passing through power supply.

Emf - Electromotive Force - a measure of the energy supplied to each coulomb of charge passing through power supply (volt).