Longitudinal and Transverse Waves (AQA A-Level Physics): Flashcards
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Practise the cards
10 cards from this deck
How do particles oscillate in transverse waves?
How do particles oscillate in transverse waves?
At right angles to direction of energy transfer
How do particles oscillate in longitudinal waves?
How do particles oscillate in longitudinal waves?
Parallel to direction of energy transfer
Compressions in longitudinal waves
Compressions in longitudinal waves
Areas where particles are close together
Rarefactions in longitudinal waves
Rarefactions in longitudinal waves
Areas where particles are spread out
Definition of polarisation
Definition of polarisation
Restricts oscillations to a single plane
Which wave type can be polarised?
Which wave type can be polarised?
Only transverse waves
Why can't longitudinal waves be polarised?
Why can't longitudinal waves be polarised?
Oscillations are already parallel to direction of travel
Function of Polaroid sunglasses
Function of Polaroid sunglasses
Reduce glare from reflective surfaces
Type of polarisation for TV/radio signals
Type of polarisation for TV/radio signals
Plane-polarised
How to align TV/radio aerials for strong signal?
How to align TV/radio aerials for strong signal?
Aligned with orientation of transmitted signal