Advanced Resonance Apparatus with 1 m Vertical Scale Included
This resonance apparatus is a practical teaching setup for investigating air-column resonance in a tube with an adjustable effective length. It consists of a 1 m vertical stand with a metric scale and a 20 mm plastic tube connected to a 1 L water vessel. By raising or lowering the water vessel, the water level in the tube changes, which adjusts the air column length.
A tuning fork is supplied so students can check for resonance by listening at the mouth of the tube while adjusting the level. The air-column lengths where resonance is strongest are marked on the scale, then used to calculate the wavelength and frequency associated with the tuning fork.
FAQs
Q: What is included in the apparatus?
A: A 1 m vertical stand with metric scale, a 20 mm plastic tube, a 1 L water vessel, and a tuning fork.
Q: How is the air column length adjusted?
A: By raising and lowering the water vessel to change the level of water in the tube.
Q: How is resonance detected?
A: By listening at the mouth of the tube while adjusting the water level with the tuning fork sounding.
Q: What measurements are recorded?
A: The air-column lengths where resonance is evident, marked on the metric scale.
Q: What calculations does it support?
A: Determining wavelength and frequency using the measured resonant air-column lengths.
$187.00 (Ex GST)
Anodised Aluminium Resonance Tube, 50 mm Diameter, 600 mm Length
- Straight resonance tube, anodised aluminium, 50 mm diameter, 600 mm length, sound and waves practical.
- Loudspeaker used to generate resonance at tube opening, supports standing wave demonstrations in air.
- Studies relationship between frequency and resonance conditions using fixed tube length and controlled tone.
- Simple durable tube format for classroom resonance experiments, easy to handle and store.
- Requires external loudspeaker sound source, suitable for basic acoustics lessons and demonstrations.
$53.00 (Ex GST)
Chladni Plate Set (2 Plates) with Violin Bow and Sand Included
- Two bronze Chladni plates, square and round, about 150 mm diameter, classic resonance pattern set.
- Central clamp mounts plate rigidly to bench yet allows free vibration when excited by bowing.
- Resin-coated violin bow excites plate edge, finger touch selects modes and natural frequencies.
- Special sand sprinkled on plate migrates into complex nodal line patterns during resonance.
- Visual demonstration of standing waves, vibration modes, resonance, and nodal regions in acoustics.
$199.70 (Ex GST)
Kundt’s Tube Apparatus with Microphone and Speaker, 50 mm Diameter, 800 mm Length
- Transparent Kundt’s resonance tube, 800 mm scale, adjustable piston, standing wave and resonance study.
- Two side holes with sliding shutters, supports controlled openings and repeatable experiment conditions.
- Mini-speaker fits tube end, generates sound waves, driver interfaces to amplifier or oscilloscope.
- Movable miniature microphone probes sound level along tube, helps find maxima and minima positions.
- Instruction booklet included, oscilloscope ideal for measurements, amplifier also usable for audible resonance.
$360.00 (Ex GST)
Melde’s Apparatus String Vibrator, 4–8 V AC Supply
- Melde’s string vibrator for standing waves, cord attaches to armature tip hole, bench-mounted clamp included.
- Cord runs along bench and over edge via pulley, hanging weight sets known tension for repeat studies.
- Pulley-on-rod adjusts so cord stays parallel to bench top, improves alignment and pattern clarity.
- Driven by high-power signal generator, armature adjusted and clamped to vibrate at set frequency.
- Produces measurable standing-wave patterns, supports frequency–wavelength relationships in string experiments.
$185.00 (Ex GST)
Powell’s Pattern Wave Motion Apparatus with Rotatable Scale Indicator
- Powell’s wave motion demonstrator, moulded mechanism, smooth and quiet turning for classroom viewing.
- Shows transverse wave motion, particle motion perpendicular to wave direction, clear visual pattern.
- Shows longitudinal wave motion, particle motion parallel to wave direction, compare against transverse.
- Handle scale 0–360°, tracks one full cycle, supports phase and angle correlation activities.
- Cam rotation drives sine-wave action, relate angle to wave position during step-by-step rotation.
$176.00 (Ex GST)
Savart’s Tone Wheel Alloy STEM Apparatus, 10 mm and 6 mm Diameter
- Four toothed metal discs on shaft, about 73 mm diameter, rotate to generate tones in acoustics lessons.
- Stiff card pressed to wheel edge, teeth strike card, produces audible tone linked to tooth count.
- Tooth counts 36, 45, 54, 72, represent ratio 4:5:6:8 for frequency relationship teaching.
- Sound all four discs together, combined tones form natural chord, demonstrates musical intervals.
- STEM demonstrator for tone, frequency ratios, harmonics, and auditory comparison without electronics.
$88.00 (Ex GST)
Siren Disc, Lab Sound Apparatus
- Rotating siren disc sound demonstrator, air jet through hole rows produces audible siren tone
- Aluminium disc listed 175 mm diameter with 10/6 mm stem, mounts on central shaft for rotation
- Four hole rows listed 24, 30, 36 and 48 holes, stated ratios 4, 5, 6 and 8
- Combined output of all hole rows stated to form a natural musical chord during operation
- Metal blow tube with fine jet directs air onto disc holes, creates siren sound for physics teaching
From $7.50 (Ex GST)
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Sound and Waves experiments form an important part of physics education, helping students understand how mechanical waves travel through different media and how sound energy behaves. Laboratory investigations in this area explore concepts such as wave motion, frequency, wavelength, amplitude, resonance, interference, and the propagation of sound through solids, liquids, and gases. These principles are fundamental to fields including acoustics, telecommunications, signal processing, and modern audio technologies.
In physics laboratories, sound and wave apparatus allows students to observe and measure wave behaviour through controlled experiments. Typical equipment may include resonance tubes, tuning forks, wave generators, ripple tanks, oscillation systems, sound frequency demonstration kits, and acoustic measurement tools. These instruments help demonstrate how waves reflect, refract, interfere, and resonate, providing a clearer understanding of the physical laws that govern wave motion.
Some experimental setups may incorporate laboratory glass components, measurement devices, or electrically powered instruments. Where glass materials are used, borosilicate glass such as BORO 3.3 is commonly referenced under ISO 3585 for its thermal stability and chemical resistance. Additional laboratory glass standards may include ASTM E438, which specifies requirements for glass used in laboratory apparatus. For electrical measurement or demonstration equipment used in laboratory environments, which applies to electrical equipment used in measurement, control, and laboratory applications.
Sound and wave experiments are especially valuable in teaching laboratories because they help students visualise energy transfer through oscillations and vibrations. By observing resonance effects, standing waves, and sound propagation, learners gain practical insight into how wave phenomena influence real-world systems such as musical instruments, sonar technology, communication devices, and acoustic engineering.
At LabChoice Australia, we supply sound and waves laboratory equipment suitable for school science laboratories, university teaching environments, and physics demonstration setups. Our range is selected to support clear visual learning, reliable experimental performance, and safe laboratory use across Australian education and research settings.