A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 769
le ; 2nd, draw a wave jwhich will cancel out thiscontinuation ; and 3rd, draw!the twin wave to this, which starts simultaneously from P, remem-bering that in this case the twin waves are in opposite phases at P. !The above process may be represented equally well by equationsinstead of curves ;… … Fig. 687.—Four phases in the reflection of acompression wave at a rigid wall. y= -a sin 2n y = + a sin 2ir t xT + X which is therefore the equation to the reflected wave. Again, the incident and reflected waves compound into the steadyvibration (t ^ (i x, y = asm 2tt ( -rj+asin 2w f + = 2a cos 27r…
Physics
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