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Water wave interference condition demo instrument

A technology of interference conditions and demonstrators, applied in instruments, educational appliances, teaching models, etc., can solve problems such as difficulty in learning to understand and apply knowledge of water wave interference conditions, low learning enthusiasm and interest, and lack of practical experience for students. The experimental process is simple and easy to operate, the students are highly involved, and the effect of changing the phase is convenient.

Inactive Publication Date: 2018-11-06
HUAIHUA UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0002] At present, in the teaching of water wave interference conditions in middle school and high school physics, students lack practical experience and suitable technical means in teaching. Students have certain difficulties in learning, understanding and applying the knowledge of water wave interference conditions, and their learning enthusiasm and interest are not high.

Method used

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  • Water wave interference condition demo instrument

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Embodiment Construction

[0021] The invention provides a water wave interference condition demonstrator, which can not only demonstrate the water wave interference phenomenon, but also verify the water wave interference condition and demonstrate the diffraction phenomenon.

[0022] When in use, pour an appropriate amount of cold boiled water into the sink (it is not easy to generate air bubbles to affect the experimental phenomenon), adjust the position of the vibration motor of one road, turn the vibrator so that only one vibrator is just in contact with the water surface, close the main switch and one switch, and use one road The vibration motor drives the single vibrator, and the phenomenon of water wave diffraction is demonstrated by changing the gap size of the obstacle.

[0023] Disconnect one switch, turn the vibrator so that the two vibrators are just in contact with the water surface, then close one switch, use one vibration motor to drive the two vibrators, demonstrate the phenomenon of water...

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Abstract

The present invention provides a water wave interference condition demo instrument, and relates to a middle school physics teaching and experiment instrument. The demo instrument mainly comprises a camera, a switch, a speed regulation knob, a stay cord, a traction motor, a mobile slide plate, a vibration motor, a vibration sheet, a switching power source, a light source, a lamp box, a support, a control panel, a clamping device, an eccentric gear, a water tank and a vibrator. According to the technical scheme provided by the invention, the vibration of the vibrator of the demo instrument is controlled by the vibration motor, the motion of the vibrator is closer to constant speed vibration, a distance between two vibration sources can be changed through the traction motor so as to greatly reduce the experiment errors, rapidly and accurately obtain a result through simple experiment operation and more facilitate teaching development.

Description

technical field [0001] The invention relates to a middle school physics teaching and experiment instrument, in particular to a water wave interference condition demonstration instrument. Background technique [0002] At present, in the teaching of water wave interference conditions in middle school and senior high school, students lack practical experience and lack of suitable technical means in teaching. Students have certain difficulties in learning, understanding and applying the knowledge of water wave interference conditions, and their learning enthusiasm and interest are not high. Contents of the invention [0003] The invention provides a water wave interference condition demonstrator, which can not only demonstrate the water wave interference phenomenon, but also verify the water wave interference condition and demonstrate the diffraction phenomenon. [0004] In order to visually demonstrate the phenomenon of water wave interference and verify the conditions of wat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/12
CPCG09B23/12
Inventor 储霄谌宝菊黎明愿
Owner HUAIHUA UNIV
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