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I starter with difraction equations dsina=mλ, depending on rotation s d will and then a shoud also change but i still don t know how

SHM requires that the restoring force is proportional to the displacement from the equilibrium position. Find the limit of...

what should be condition while calculating that value of amplitude , if we neglect dissipation of any kind, like oreder of magnitude od...

What should be good aproximation for amplitides? So I started with calculatin k for this wire from hooke law and young modul , and I use...