PHYS 131 Final: Phys 131 Final Study Guide 2-4
Document Summary
Superposition of a wave & its own reflected wave : frequencies, wavelengths, amplitudes , phases are equal. Dcx , -11=2 dm sin /kxicoscw -11 (sym) amplitude componentfiliation component so , -217m i dix,-1) 2- 2pm. Nodes : sin lkx)= 0 k = mit , n=o , 1,2, Antinodes : sin ikx/ = -1-1 kx in + e) it. 3 . for all times oscillates between -2dm and +217m. 2 waves travelling in opposite be fixed at both ends 0 fixed length fn= in = ey = n fundamental. Xn = -2ml n : # of antinodes n-1 : nodes. Di cx , -11=451-413 -21-1 directions produces a standing wave. 2 ef ftie: hard reflection : reflection from rigid boundary ( fixed end) (cid:8869) 8cm sin (3 100512-1) Find - position of a models) (cid:8869) when sin 13 1=0. Inverted , phase shifted by it radians.
