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The maximum wavelength of a transverse wave that can be set up in a string of length L isa) 4 Lb) L/2c) 2Ld) LExplain it! |
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Answer» Given:We have a string of length L. It has been attached at the 2 ends and a transverse pulse ia GENERATED at on end.To find:Max wavelength of the transverse pulse.Concept:When a pulse is generated at ONE end , it will reflect at the other end and SUPERIMPOSE to FORM a Standing Wave.Calculation:Since the 2 ends are attached , we will get nodes at 2 ends.Minimum Distance between 2 nodes = λ/2This is the max wavelength that can be formed by the 1ST member of standing waves .Next series of wavelengths will be smaller than this wavelength. |
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