What this topic covers
Production and propagation of mechanical waves using ropes and springs (slinky). Pulsating system: Energy transmitted with definite speed, frequency and wavelength. Use of ripple tank to show water waves and demonstrate energy propagation. Hertz (Hz) as unit of frequency. Waveform: Description and graphical representation, amplitude, wave length, frequency and period. Sound and light as wave phenomena. Mathematical relationship connecting frequency (f), wavelength(λ), period (T) and velocity (v): V= fλ and T = 1/f; simple problems may be set.
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