P2 - Waves Flashcards
1
Q
Transverse wave
A
Oscillations are perpendicular to the direction of energy transfer
2
Q
Wave speed
A
Frequency x wavelength
3
Q
How can speed frequency and wavelength vary
A
Speed is independent of f and a
F is set at a source
Speed and wavelength vary
4
Q
Radio waves
A
Communication
Can diffract well
5
Q
Microwaves
A
Satellites and mobile phones
Microwaves have different wavelength
6
Q
Infrared
A
Monitor temperature
Remote controls
Optical fibres
7
Q
UV
A
Detect forged bank notes
Skin cancer
8
Q
Gamma
A
Treat cancer
Diagnose cancer