Nouveauté
How Sound is Produced
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- FormatMulti-format
- ISBN978-2-38469-378-8
- EAN9782384693788
- Date de parution16/05/2025
- Protection num.NC
- Infos supplémentairesMulti-format incluant ePub avec Watermark, Mobipocket avec Watermark et Accès streaming
- ÉditeurHuman and Literature Publishing
Résumé
This book deals with how sounds are produced.
In most cases sound reaches the ear through the air; but air is not the only medium through which sound is carried. A loud noise will startle fish, and cause them to dart away, so we conclude that the sound must have reached them through the water. An Indian puts his ear to the ground in order to detect distant footsteps, because sounds too faint to be heard through the air are comparatively clear when transmitted through the earth.
A gentle tapping at one end of a long table can be distinctly heard at the opposite end if the ear is pressed against the table; if the ear is removed from the wood, the sound of tapping is much fainter, showing that wood transmits sound more readily than air. We see therefore that sound can be transmitted to the ear by solids, liquids, or gases. Matter of any kind can transmit sound to the ear. The following experiments will show that matter is necessary for transmission...
A gentle tapping at one end of a long table can be distinctly heard at the opposite end if the ear is pressed against the table; if the ear is removed from the wood, the sound of tapping is much fainter, showing that wood transmits sound more readily than air. We see therefore that sound can be transmitted to the ear by solids, liquids, or gases. Matter of any kind can transmit sound to the ear. The following experiments will show that matter is necessary for transmission...
This book deals with how sounds are produced.
In most cases sound reaches the ear through the air; but air is not the only medium through which sound is carried. A loud noise will startle fish, and cause them to dart away, so we conclude that the sound must have reached them through the water. An Indian puts his ear to the ground in order to detect distant footsteps, because sounds too faint to be heard through the air are comparatively clear when transmitted through the earth.
A gentle tapping at one end of a long table can be distinctly heard at the opposite end if the ear is pressed against the table; if the ear is removed from the wood, the sound of tapping is much fainter, showing that wood transmits sound more readily than air. We see therefore that sound can be transmitted to the ear by solids, liquids, or gases. Matter of any kind can transmit sound to the ear. The following experiments will show that matter is necessary for transmission...
A gentle tapping at one end of a long table can be distinctly heard at the opposite end if the ear is pressed against the table; if the ear is removed from the wood, the sound of tapping is much fainter, showing that wood transmits sound more readily than air. We see therefore that sound can be transmitted to the ear by solids, liquids, or gases. Matter of any kind can transmit sound to the ear. The following experiments will show that matter is necessary for transmission...