Sound amplification by resonance © Siemens Stiftung 2018 CC BY-SA 4.0 international

Sound amplification by resonance

Video

Video (00:07 minutes):
To begin with, the tuning fork is inaudible. It becomes audible through contact with the guitar.

English, German
Video (1.3 MByte)
2018-08-07
The tuning fork transmits its vibrations to the body of the guitar which starts to vibrate as well (resonance), the sound is being emitted or radiated from a bigger surface which is why it is heard better.

Information and ideas:
The students should first be shown the film without any explanation. They can then say what they think.
Afterwards they can work on the solution.

Relevant for teaching:
Acoustic phenomena
Sound/acoustics: parameters
There are no other media directly related to this file.
Illustration
Personal, social and health education (PSHE); Physics
Grade 1 to 4; Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Elementary school; Middle/high school; Vocational training
Sound
Siemens Stiftung Media Portal
MediaHouse GmbH
© Siemens Stiftung 2018
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