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Principle
Oscillations occur in physics in an extremely wide range of occurrences.They are macroscopically visible in the swinging and cushioning of cars or suspension bridges. In Nature, however, there is as a rule never a single oscillation but always only co ...
In this experiment a geared motor (30:1 ratio) is used to drive the elastically coupled elements of a wave machine via an eccentric. In order to suppress reflections at the open end of the oscillating system, the small bars under the oscillating pieces are allow ...
When a pendulum bob suspended on a string is displaced and released, it seeks its equilibrium position and starts to swing. In the experiment depicted here, the torsion dynamometer holds the bob at its maximum displacement. The value of the force displayed direc ...
The acceleration of gravity g is determined from the oscillation period fordifferent pendulum lengths. If the pendulum's oscillation plane is not parallel to the earth's field of gravity,only one component of the gravitationalforce acts on the movement of the pendul ...
Helical springs can be connected in parallel as well as in series by hanging them alongside each other or one after the other. This experiment is concerned with the resulting spring constants.
The oscillation of a spring pendulum is recorded by an acceleration sensor. For this, essentially only the sensor, a spring and a rubber ring are required, no further equipment is necessary. The principle of harmonic oscillation can be so qualitative ...
If an oscillating system is allowed to swing freely it is observed that the decrease of successive maximum amplitudes is highly dependent on the damping. If the oscillating system is stimulated to swing by an external periodic torque, we observe that in the steady s ...
In the ripple tank water waves are generated by a vibration generator. Circular waves are then used to investigate the dependency of the vibration frequency on the wavelength. With the aid of plane waves the dependency of the velocity of the waves' propagation on th ...
A set of circular water waves is generated simultaneously and the resulting interference is observed. By increasing the number of interfering circular waves, Huygens' Principle can be verified. With the aid of plane water waves, diffraction pheno ...
Principle:
Square and round metal plates are brought to vibrate through acoustic stimulations by a loudspeaker. When the driving frequency corresponds to a given eigen-frequency (natural vibration mode) of the plate, the nodal lines are made visible with sand. The sand is exp ...
To show the two-dimensional standing waves on the surface of a square or circular plate.
Tasks
A frequency generator is connected to a sound head. The sound head drives a Chaldni plate. White sand is sprinkled randomly to cover t ...
A metal rod is made to vibrate longitudinally by rubbing it with a cloth. The gas column in a glass tube is caused to vibrate naturally as a result of resonance, through the radiation of sound from a disc attached to the end of the rod. The ratio of the velocities o ...
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