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Results Table: Variation of Frequency with Wavelength Frequency of tuning forks Effective Length 7 (m) f (Hz) dz0.23 m 0.162m 0.178m 0.183m 512 420 384 288 208 120 Measured length L (m) 0.093m 0.109m 0-114m 0.164m 0.169m 78m 0. [........ 0.233m 0.238 m 0.227m 1/f 0.0020 53 0-0023 .........] ms`¹ 0.0026 6.0034 0-0048 0083 Wavelength λ (m) (λ= 4 () 0.648m 0712m 0732m 0.932m 0.952m 0.988m Velocity of sound
Plot a graph of wavelength as a function of 1/frequency and determine the velocity of the sound in air from the gradient of the graph.
Sagot :
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