4 9. 1wo Yz= S sin 257-100; waves ĭ, = S Sin Si 25t t 16x are superim possel. on each other in a medium. i- Determine the equation wave genera the new i) Erom the equation ai, describe a stationary the haracteristics of wave. i) Sketch the electronmagnetic spectrum Cnd ste one uses of each.
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