Physics Core - P1

Beschreibung

Physics Core test
Sarah VDL
Karteikarten von Sarah VDL, aktualisiert more than 1 year ago
Sarah VDL
Erstellt von Sarah VDL vor mehr als 9 Jahre
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1

Zusammenfassung der Ressource

Frage Antworten
Definition of absorb an object absorbs energy when the energy from infrared radiation is transferred to the particles of the object, increasing the temperature of the object
Definition of ampere (amp) unit used to measure electrical current
Definition of amplitude size of wave oscillations - for a mechanical wave, it describes how far the particles vibrate around their central position.
Definition of angle of incidence angle between the ray hitting a mirror or lens and the normal
Definition of angle of reflection angle between a ray reflecting from a mirror and the normal
Definition of The Big Bang Theory theory that states that the universe originated from a point at very high temperature, and everything in the universe formed as energy and matter exploded outwards from a point and cooled down
CMBR (cosmic microwave background radiation) microwave radiation coming very faintly from all directions of space
Definition of diffraction change in direction of a wave caused by passing through a narrow gap or round an obstacle such as a sharp corner
Definition of Doppler effect change in wavelength and frequency of a wave than an observer notices if the wave source is moving towards them or away from them
Definition of electromagnetic radiation (EM) energy transferred as electromagnetic waves
Definition of electromagnetic spectrum electromagnetic waves ordered according to wavelengths and frequency - ranging from radio waves to gamma rays
Definition of electromagnetic waves a group of waves that transfer energy - they can travel through a vacuum and travel at the speed of light
Definition of gamma ray radioactive and dangerous to human health
Definition of geothermal power station power station generating electricity using the heat in underground rocks to heat water
Definition of incident ray the ray of light hitting a mirror or lens
Definition of infrared radiation energy transferred as heat - a type of electromagnetic radiation
Definition of joule unit used to measure energy
kinetic theory model used to explain how energy is transferred by particles in a substance
Laterally inverted image left and right are reversed when seen in a mirror
Longitudinal wave a wave in which the direction that the particles are vibrating is the same direction in which the energy is being transferred by the wave
Mechanical wave wave in which energy is transferred by particles or objects moving, such as wave on a string or a water wave
National Grid network that distributes electricity from power stations across the country
Definition of oscillate vibration to and fro of particles in a wave
Radio wave Used to transmit radio and TV
Rarefaction areas of longitudinal wave in which the vibrating particles are spread out more then usual
Ray diagram diagrams showing how light rays travel
Red Shift if an object has red shift it is moving away from the observer
refraction change of direction when a wave hits the boundary between two media at an angle - for example when a light ray passes through air into a glass block
Specific heat capacity a measure of the amount of energy needed to raise the temperature of a 1kg substance by 1C
Transverse wave a wave at which the vibration of the particles are at right angles to the direction in which the wave transfers energy
ultraviolet radiation electromagnetic radiation that can damage human skin
U-value a measure of how easily energy is transferred through s material as heat
Virtual image image that can be seen but cannot be projected onto a screen
voltage a measure of the energy carried by an electric current
Watt unit of energy transfer
wavelength distance between two wave peaks
x-rays used in x-ray photography to generate pictures of bones
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