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In this Chapter, we will study such waves. Waves transport energy and the pattern of disturbance has information that propagate from one point to another. All our communications essentially depend on transmission of sig-nals through waves. Speech means production of sound waves in air and hearing amounts to their detection.
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Waves Summary Notes. Waves transfer energy The higher the amplitude the greater the energy of the wave. f=no. of waves produced per second T= time for 1 wave to pass a point. Transverse Wave: The particles of the medium transmitting the wave travel at right angles to the direction of energy travel. e.g. E.M. waves.
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A progressive wave transfers energy without transferring material and is made up of particles of a medium (or field) oscillating e.g. water waves are made of water particles moving up and down.
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Full syllabus notes, lecture and questions for NCERT Textbook - Waves - Class 11 - Class 11 - Plus excerises question with solution to help you revise complete syllabus - Best notes, free PDF download
