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 772
flection of one wave-length being given inFig. 69L It must be remembered that the interference of thewaves within the tube is not complete, as the reflected wave is notof the same intensity as the incident wave. Within the tube, wemay consider that there is a progressive wave travelling down… … Fig. 691.—Four phases in the reflection of acompression wave at the open end of a pipe. 748 SOUND chap. JV= -a sin 2^-f), (2) Twin compression waves, [y=-asm2*(t+l) 0) Equation (3) represents the reflected wave.Equation (1) may be written y = (a-a) sin 2rr (| -|) +« sin 2tt (|-|) (4) Combining…
Physics
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