Physics Sound & Waves Lab
Resonance Apparatus Tubes
Comprising two plastic tubes one 305 x 32 mm diameter, the other 305 x 25 mm diameter. The small tube slides within the other in foam plastic collars, allowing the air column length to be varied from 300 to 530 mm.
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Tuning Fork Pair on box (Beats Apparatus)
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.
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Organ Pipe Open Ended
Square section with tapered mouthpiece, made of polished wood, with graduated sliding piston, square in section having a knob at the end for easy handling. The slider is marked with a diatonic scale. It is used to investigate phenomenon of beats in conjunction with a second pipe of same type. Approx. overall length when extended 840mm.
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Tuning Fork Electrically Maintained (Melde’s Apparatus)
On sturdy streamlined base with provision for horizontal or vertical use. Forks is manufactured from selected steel. Prong is 10 x 25 x 300 mm. accurate frequency adjustment, chrome plated, vibrations rate 60 per seconds. Electromagnet can work on 6 volts. The amplitude of vibration can vary by sliding there electromagnet inside prongs. Complete with bench clamp, pulley, and scale pan.
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