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Physics - Waves and Sound

Physics -Waves and Sound

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Mechanical Waves : Accessories for Rope Waves
Accessories ideal for vibration generator (U56001) for demonstrating standing transversal waves and their wavelengths as a function of the rope tension and the frequency. Consisting of a base plate with stand rod, holder for dynamometer, deflection device and rubber rope. Rope: 1 m Base plate: approx. 180x180x25 mm³   ..
£19.95
Mechanical Waves : Accessories for Spring Oscillations
Accessories for vibration generator (U56001) for demonstrating standing longitudinal waves in a coil spring. Consisting of angled stand rod, coil spring and connector pin for attachment of the spring to the vibration generator. Function generator and vibration generator sold separately. Specifications: Rod: 450 mm x 8 mm dia. Spring constant: 3.9 N/m ..
£19.95
Mechanical Waves : Band Wave Device
Apparatus for demonstrating transverse standing waves on a rope and investigating how wavelength depends on the tension in the rope and on the frequency. Dimensions: 700x150x230 mm³ Weight: approx. 4.4 kg Contents: 1 Chassis 1 Rubber cord 1 Pulley 1 Axle clip 2 Axle rods 2 Universal clamps 2 Stand rods, 400 mm 1 Dynamometer, 5 N ..
£19.95
Mechanical Waves : Chladni Plate, Circular
Metal plate for generating acoustically excited figures in media such as fine dry sand as in the experiment by Chladni. To be used in conjunction with vibration generator (U56001). Includes 4-mm plug screwed into central hole of plate. Specifications: Material: Steel Diameter: 240 mm ..
£19.95
Mechanical Waves : Chladni Plate, Square
Metal plates for generating acoustically excited figures in fine dry sand, as in the experiment by Chladni. To be used in conjunction with vibration generator (U56001). Comes with 4-mm plug for mounting to vibration generator. Base is not included. Specifications: Material: Steel Dimensions: 180 mm x 180 mm     ..
£19.95
Mechanical Waves : Coil Spring Slinky
Long coil spring for demonstrating the propagation and reflection of longitudinal waves. Length: 0.2 m up to 5 m Total number of turns: 330 Coil diameter: 70 mm Weight: 550 g ..
£19.95
Mechanical Waves : Demonstration Wave Machine, Complete Set
Supplement to the demonstration wave machine comprising a module with short pendulum bars, a transition module and two module couplers. If the two models with differing bar lengths and thus differing wave velocities are coupled together, then reflections can be observed at the point where they are joined together. This can be avoided by adding the transition module. Length of bar module 1: 460 mm Length of bar module 2: 230 mm Length o..
£19.95
Mechanical Waves : Demonstration Wave Machine, Single Module
The Demonstration Wave Machine allows for easily visible demonstrations that show the behavior and properties of transverse waves. The motion of the wave is demonstrated by a chain of 73 steel pendulum bars each soldered at their mid-point along a rod spring that can be subjected to torsion. The ends of the bars are painted on one side in fluorescent paint and on the other side with white paint.  A damping mechanism is also supplied ..
£19.95
Mechanical Waves : Helical Spring Snakey
Very long helical spring for demonstrating and investigating transverse and longitudinal waves. Length: 2 m up to 14 m Total number of turns: 1300 Coil diameter: 25 mm Weight: 1400 g ..
£19.95
Mechanical Waves : Motor, 12 V DC
Compact experiment motor – can also be used as a tachogenerator, oscillation generator or for the excitation of rove waves. The motor has a coreless rotor and thus has a high starting torque at a lower moment of inertia. It is characterised by a very short starting time, smooth running and low running noise. On its axis, the motor has a threaded bush with a screw-on retaining pulley. Thus, plates and levers too can be fixed on to the axis. ..
£19.95
Mechanical Waves : Resonance Wire, Ring Shaped
For demonstrating the vibration knots in determination of different frequencies. Wire ring with 4 mm plug. Diameter: 290 mm ..
£19.95
Mechanical Waves : Rubber Band
For demonstrating stationary waves and wave propagation e.g. using the vibration generator (U56001). Wound on a board, 25 m, 2 mm dia.. ..
£19.95
Mechanical Waves : Vibration Generator
Vibration generator for exciting oscillating and waves mechanically, e.g. in coil springs, a rubber cord, a wire ring or a Chladni plate. In robust plastic housing including mounting pin with 4-mm socket for attaching accessories (Chladni plates, resonance wire, rubber band etc.). Including holder for stand rod (up to 8 mm dia.) on the rear side of the apparatus for the demonstration of standing waves in a coil spring. The generator is equippe..
£19.95
Mechanical Waves : Wave Machine
Demonstration equipment for displaying propagation, reflection, diffraction and superimposition of transverse waves. A chain of wooden double-ended pendulums joined together by a bifilar thread. Two handles allow the chain to be held by hand and excited. Pendulum weights are supplied for altering the moment of inertia. Number of double pendulums: 79 Length: 3 m Weight: approx. 0.8 kg ..
£19.95
Sound : Battery Box
Accessories for probe microphone (U20601) including a power supply and equipment for connecting the microphone to a meter or oscilloscope. The equipment includes a battery compartment for one 9 V alkaline battery and a voltage regulator to output the requisite 5 V DC. Output voltage: 5 V DC Input channels: Two 6-pin DIN sockets (180°),8-pin DIN socket (270°) Outputs: Two 5-pin DIN sockets, Two 4-mm safety sockets. Dimensions: approx...
£19.95
Sound : Demonstration Monochord
The Demonstration Monochord investigates the relationship between the pitch of a sound and the length of the string. Also investigate overtones formed by harmonic waves with intermediate nodes and the dependence of the pitch on string tension. Two steel strings and one nylon string are stretched over a sound box. Alter the tension on the two strings using tuning pegs while simultaneously changing the third string with weights or a dynamom..
£19.95
Sound : Helmholtz Resonator d = 32 mm
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb. The elasticity and inertial mass of the air in the bulb cause the bulb to act as an acoustic resonator with a highly distinct resonant frequency. The frequency is dependent on the dimensions of the bulb and the tube. With a whole set of Helmholtz r..
£19.95
Sound : Helmholtz Resonator d = 40 mm
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb. The elasticity and inertial mass of the air in the bulb cause the bulb to act as an acoustic resonator with a highly distinct resonant frequency. The frequency is dependent on the dimensions of the bulb and the tube. With a whole set of Helmholtz r..
£19.95
Sound : Helmholtz Resonator d = 52 mm
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb. The elasticity and inertial mass of the air in the bulb cause the bulb to act as an acoustic resonator with a highly distinct resonant frequency. The frequency is dependent on the dimensions of the bulb and the tube. With a whole set of Helmholtz r..
£19.95
Sound : Helmholtz Resonator d = 70 mm
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb. The elasticity and inertial mass of the air in the bulb cause the bulb to act as an acoustic resonator with a highly distinct resonant frequency. The frequency is dependent on the dimensions of the bulb and the tube. With a whole set of Helmholtz r..
£19.95
Sound : Horn Loudspeaker
Speaker that approximates to being a point source for excitation of Kundt tube (U8432845), for example. Without barrel foot. Frequency range: 300 Hz – 10 kHz Max. load capacity: 8 W (max. 10 W) Impedance: 8 Ω Shaft: 10 mm dia. Weight: approx. 470 g ..
£19.95
Sound : Kundt's Tube With Scale
Transparent acrylic tube with scale and end plates for measuring standing acoustic waves and determining their wavelength in air or in other gases. With tubing nozzles for filling the tube with various gases, built-in speaker at one end, a bore and guide for accommodating moving piston or probe microphone (U20601) at the other end. Includes retaining clips for mounting on stands and a connector lead for the speaker. Tube nozzle: 7 mm dia. ..
£19.95
Sound : Lip Whistle
Lip whistle for experiments on pitch as a function of resonance space. Closed wooden whistle with a round cross-section and movable piston, chromatic range from g1 (392 Hz) to g² (794 Hz). Frequency range: approx. 400 Hz –800 Hz Resonance space: approx. 170 mm x 20 mm dia. Length: approx. 250 mm ..
£19.95
Sound : Metallophone
Metallophone for demonstrating a C major scale from c² to g². Note labels, frequencies and frequency ratios are printed on the instrument. With striking hammer. Dimensions: approx. 320x210 mm² Weight: approx. 510 g ..
£19.95

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