Radio Waves (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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Wavelength of radio waves in EM spectrum
Wavelength of radio waves in EM spectrum
Longest wavelength
Frequency of radio waves in EM spectrum
Frequency of radio waves in EM spectrum
Lowest frequency
How radio waves are produced
How radio waves are produced
By oscillations in electrical circuits
What causes electrons to oscillate in antenna
What causes electrons to oscillate in antenna
Alternating current (AC) applied to antenna
Result of oscillating electrons in antenna
Result of oscillating electrons in antenna
Radio waves are generated
Effect when radio waves absorbed by conductor
Effect when radio waves absorbed by conductor
Induces alternating current (AC)
Frequency of induced AC vs incoming radio wave
Frequency of induced AC vs incoming radio wave
Same frequency
Main use of radio waves
Main use of radio waves
Communication technologies
Examples of radio wave communication technologies
Examples of radio wave communication technologies
Broadcasting, mobile phones, wireless networks
Distance capability of radio waves
Distance capability of radio waves
Can travel long distances
Radio waves' ability with materials
Radio waves' ability with materials
Can penetrate through various materials
Examples of materials radio waves penetrate
Examples of materials radio waves penetrate
Walls and buildings