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 690
plete vibrations made by the body in onesecond is called the frequency of the vibrating body. Expt. 151.—To compare the frequencies of two tuning forks. The twoforks are securely clamped to a wooden block A (Fig. 609). A strip ofglass B, which slides easily in an upright guide, can fall past the… … * Fig. 609.—Dropping plate for comparingthe frequencies of two forks. Fig. 610.—Traces obtained ona dropping plate. blackened in the smoky flame of a lamp. On drawing a violin bow across the forks they are set in vibration, and at the same instant the plate is released. Each style draws a trace…
Physics
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