Physics Sound & Waves Lab
Stroboscope Hand
Slotted metal disc, with finger hole and having 12 radial slots, mounted on a handle.
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Physics Sound & Waves Lab
Kundts Tube Apparatus
To determine the standing longitudinal waves in column of air and velocity of sound in air, it comprises of a glass tube approx 1.2 meter length and 34 mm diameter. There is a tightly fitting but adjustable piston on a 390 mm long rod at one end of the glass tube. A loose fitting piston attached to a 1.2 meter long sounding rod at the other end of the glass tube, fitted on a wooden base.
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Physics Sound & Waves Lab
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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