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Type of waves Wave on strectched string Light wave Sound Wave X-ray wave Sound Wave Water wave Electroma- gnetic wave Radio wave Transverse wave Longitudin- al wave Produced by vibration or oscilation Transfer energy Propagate by vibration The particle is propagate perpendicular to the direction of propagation The particle is propagate parallel to the direction of propagation

Chapter 1 WAVE

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The particle is propagate parallel to the direction of propagationThe particle is propagate perpendicular to the direction of propagationTransversewavePropagate by vibrationProduced by vibration or oscilationLongitudin-al waveTransfer energy Radio waveElectroma-gnetic waveWater waveSound Wave X-ray waveLight waveWave on strectched stringSound WaveType of waves

Wavefront

Wavefront is a line The direction of travel Join all the points of wave is always vibrating in phase perpendicular to the wavefront `

Oscillating System

An oscillation is a to and fro movement along a fixed path.Amplitude-maximun displacementPeriod time taken to complete one oscillation

Describing a wave

Displacement-time graphA displacement-distance graph

a =amplitudeAG=Wavelength(distance between teo successive creast.

Damping is caused by loss of energy---air resistance/frictional forceAmplitude become smallFrequency is decreasedEffect of damping