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 732
Fig. 648. -Diagram for interference betweentwo sets of ripples. INTERFERENCE 707 The result is that at some points the waves from the two sourcesreinforce each other and at others destroy each other, so that atsome points the disturbance is greater than that due to one setalone, while at other… … Fig. 649.—Interference of mercury ripples. It may be very clearly shown by means of the ripples on mercury.In Fig. 649 the ripples produced by two wires attached to theprong of a tuning-fork are shown. Tuning-fork.—Compression waves may also exhibit interference,but, except in certain cases, this…
Physics
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