Topic 5: Waves and Particle Nature of Light
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14 Terms
Amplitude
A wave’s maximum displacement from the equilibrium position
Frequency (f) .
The number of complete oscillations passing through a point per second
Period (T)
The time taken for one full oscillation.
Speed (v)
The distance travelled by the wave per unit time.
Wavelength (λ)
The length of one whole oscillation (e.g. the distance between successive peaks/troughs).
Wave equation
Velocity = Frequency x Wavelength
Longitudial
the oscillation of particles is parallel to the direction of energy transfer. ● These are made up of compressions and rarefactions and can’t travel in a vacuum. ● Sound is an example of a longitudinal wave, and they can be demonstrated by pushing a slinky horizontally
Note 
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