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It consist of a rubber ring placed on a metal disc with steel rod and wooden handle.
It is mounted on sturdy streamlined base with provision for horizontal or vertical use. Forks is made up from selected steel. Prong is 10 x 25 x 300 mm. frequency adjustment panel, chrome plated, vibrations rate 60 per seconds. Electromagnet can work on 6 volts.
It comprises two tuning forks each of frequency 426 Hz on two separate resonance boxes. One fork is fitted with adjustable loading mass. When both forks are sounded together, a clearly audible beat is produced. Rate of beats depends on difference in frequencies. This difference can be increased by changing the loading mass.
This air column in the second box causes the tuning fork to vibrate. The second instrument is thus set into vibration by the first instrument
Tuning Forks Aluminum Set of 8 with Mallet and Calibration Certificate,Nickel-plated, plain shanks, with frequency marked
Nickel-plated steel, plain shanks, with frequency marked . Complete set of 13 Tuning Forks comes with a case.
This set consist of four tuning forks which are placed on a single resonance box to produce a major chord. When struck together with hammer, the forks will produce the sound of C major, comes with one hammer.
This apparatus is an improved version over the conventional apparatus to demonstrate the effects of vibrations in a stretched cord and study the relationship between frequency, tension and density.
This test is done for explaining wave motion in helical coil of flat area tempered steel, coil dia 75 mm closed length 11 cms. fully stretched upto 3 meters.
This experiment is done to explain wave motion, pulses, reflection and interference, steel wire close wound helix, 19 mm diameter closed length 3 meters increased to approximately 9 meters.
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