in ncert in page 379 chapter waves and in page 389 sum ry

Last updated: 6/25/2023

in ncert in page 379 chapter waves and in page 389 sum ry boundary condition equation of reflected wave are gi en differnt which is correct equation with or equatic with u or an integral multiple of 2 x the waves are exactly in pha is constructive if o z they are exactly out of phase and the inte A travelling wave at a rigid boundary or a closed end is reflecte but the reflection at an open boundary takes place without ar For an incident wave y x t a sin kx ot the reflected wave at a rigid boundary is y x a sin kxot For reflection at an open boundary y x t a sin kx 000 The interference of two identical waves moving in opposite dire waves For a string with fixed ends the standing wave is gi se change on vs of reflection at an open boundary To put this mathematically let the incident travelling wave ng a the in of has it it ton by the all be x t a sin kx ot At a rigid boundary the reflected wave is given y x t a sin kx ot n a sin kx wt 15 35 of At an open boundary the reflected wave is given ed by at nowr in fa am ele an ph el vi di IT a