Electromagnetic Waves (AQA GCSE Physics Combined Science): Flashcards
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12 cards from this deck
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Practise the cards
12 cards from this deck
Transmission (EM waves)
Transmission (EM waves)
Waves pass through the new medium
Absorption (EM waves)
Absorption (EM waves)
Waves absorbed by medium, energy converts to heat
Reflection (EM waves)
Reflection (EM waves)
Waves bounce back from surface of medium
Refraction (EM waves)
Refraction (EM waves)
Waves change direction due to speed change in new medium
Factors affecting EM wave interactions
Factors affecting EM wave interactions
Wavelength and material properties
Glass interaction with visible light
Glass interaction with visible light
Transmits and refracts visible light
Glass interaction with UV radiation
Glass interaction with UV radiation
Absorbs UV radiation
Glass interaction with IR radiation
Glass interaction with IR radiation
Reflects infrared (IR) radiation
Speed of EM waves in vacuum
Speed of EM waves in vacuum
All EM waves travel at same speed in vacuum
What causes refraction?
What causes refraction?
Change in speed when waves enter new medium
EM wave speed in materials
EM wave speed in materials
Waves slow down in materials like water, glass, oil
Why wavefront bends during refraction
Why wavefront bends during refraction
Different parts enter new medium at different times