waves
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14 Terms
Transverse waves
Wave where oscillation is perpendicular to direction of energy transfer
Example of transverse waves
Light
Water
Longitudinal waves
wave where oscillation is parallel to direction of energy transfer
Example of longitudinal waves
Sound
Wavelength
Distance between two adjacent peaks or through
Amplitude
From equilibrium to peak/through
Frequency
No. Of peaks or through created every second
Period
Time taken for one complete oscillation for a point on a wave
wavelength and amplitude units
Meters
Frequency unit
Hertz
Doppler effect
When someone moves relative to the observer, frequency and wavelength
Doppler effect when it is towards the observer
Wavelength decreases
Frequency increases
Doppler effect away from observer
Wavelength increases
Frequency decreases
Electromagnetic spectrum
Radio → microwaves → infrared → visible light → ultra violet → X-rays → gamma rays
Note 
Flashcards (99)