Phase and Group velocity Precision apparatus uses sound waves to clearly show phase and group velocity concepts. Make precise measurements of the velocity of sound in three different liquids. Three measurement techniques allow characteristics to be examined
Diffraction Grating Glasses, 500lines/mm, Highly efficient, Single axis holographic diffraction grating lenses separate light from any source into its spectral components for study/analysis, Used with Power Supply/ Spectrum Gas Tubes, Make study of light easy
Tuning Fork Octave, 8Pk C (256Hz) - C (512Hz), Steel Tuning Forks For Physics Experiments, May Be +/- 5% Of Stated Frequency, Includes: (8) Tuning Forks, Nickel-Plated, Plain Shanks, With Frequency Marked, C (256), D (288), E (320), F (341), G (384), A (426), B (480), C (512)
Tuning Fork Set Of 8 With Hammer, With Foam Lining For Easy Storage Of All Parts. Frequency Marked 256Hz, 288Hz, 320Hz, 341Hz, 384Hz, 426Hz, 480Hz & 512Hz. Complete With Hammer.
Stroboscope, A Hardboard Disc With Twelve 50 X 3 mm Slots And Finger Hold, Pivoted On A Ball Bearing Mount Which Also Acts As A Convenient Handle. Diameter Of Disc 255 mm
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