Specific objectives.
Wave.
Classification of waves.
Pulses.
Characteristics of waves.
2.Wavelength ( )
3. Frequency.
Periodic time= Time/number of oscillations
T= 1/frequency
Velocity.
V= displacement/time V= 1/T but 1/T is wavelength so V= Wavelength/time V= frequency x wavelength
Waveform, wavefront and wavelet.
2. Wavefront.
Phase.
In phase.
Phase and phase difference.
Out of phase.
Stationary waves.
Nodes.
Antinode.
Condition for formation of stationary waves.
Properties of stationary waves.
Difference between progressive and stationary waves.
Stationary waves | Progressive waves |
The wave form do not move through the medium and therefore energy is not transferred away from the medium. | The waves move through the medium away from the source hence carry energy away from the source. |
The distance between two successive nodes is ½ wavelength. | The distance between two successive crests or troughs is equal to one wavelength. |
Vibration of particles between a point between successive nodes are in phase. | Phase of particles near each other are different. |
The amplitude of particles between successive nodes are different. | The amplitude of any two particles which are in phase is the same. |
Properties of waves.
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