Fichas
Waves P1.5
Fichas del conjunto (32)
- 1What are the 3 features that waves have?Amplitude
Wavelength
Frequency - 2What is the amplitude of a wave?The height from the rest position to the crest
- 3What is the purpose of a wave?To transfer energy
- 4What is the wavelength of a wave?The length of a full cycle of the wave (crest to crest)
- 5What is the frequency of a wave?The number of waves in a second. Measured in Hz
- 6Features of a transverse wave?Vibrations are perpendicular to the direction of energy transfer of the wave.
- 7Examples of transverse wavesLight and all other EM waves
- 8Features of a longitudinal waveParallel to the direction of energy transfer of the wave
- 9Example of longitudinal waveSound waves and ultrasound
- 10Equation for wave speedFrequency x Wavelength
- 11All Waves can be..Reflected
Refracted
Diffracted - 12Law of ReflectionAngle of Incidence = Angle of Reflection
- 13Do all waves travel in a vacuum at the same speed?Yes
- 14EM spectrum rhymeRandy - Radio
Men - Microwave
Inject - infra red
Viagra - Visible
Until - Ultraviolet
Xplosive - X ray
Growth - Gamma - 15Longitudinal waves show areas of..Compression and rarefraction
- 16What happens to a wave when it is refracted at an interface?It changes direction
- 17Which waves are used for communication?Radio
Microwave
Infra Red
Visible Light - 18Reflected images are..Virtual
- 19What is the range of human hearing?20Hz to 20,000Hz
- 20What is the pitchness of a sound determined by?Its frequency and loudness by its amplitude
- 21What are echoes?Reflections of sound
- 22Waves are only refracted when..They meet a new medium at an angle
- 23What features do long wave radio have?They can diffract around the curved surface of the Earth and off objects.
- 24What is the problem with radio waves?You have to be in direct sight of the transmitter as the signal doesnt diffract around hills etc
- 25Features of short wave radio signals and how they travelThey can be received at long distances from the transmitter because they are reflected from the IONOSPHERE
- 26Why are microwaves used for satellites and mobile phonesThey can penetrate the Earth's watery atmosphere
- 27What else can microwaves be used for in satellites?To track environmental things
- 28What are infra red waves used in?Remote controls and optical fibres
- 29How do infra red waves travel in optical fibres?Reflects off the sides
- 30Diffraction diagram
- 31The higher the frequency...The higher the pitch
- 32What can visible light be useful for?Photography
Información
- Descripción
- GCSE Physics Fichas sobre Waves P1.5, creado por Dale George el 01/04/2016.
- Creado por
- Dale George
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