physics ( sound )

1. 1what vibrates to produce the sound in a speaker?

   1. Apermanent magnet
   2. Bcone/ diaphragm
2. 2what vibrates to produce the sound in a violin?

   1. Awood
   2. Bstring
3. 3what vibrates to produce a sound in a drum?

   1. Awood
   2. Bskin
4. 4what vibrates to produce a sound in our voice

   1. Aair
   2. Bvocal chords
5. 5what vibrates to produce a sound in a xylophone

   1. Asticks
   2. Bblocks

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internal caterham school exams physics Test sobre physics ( sound ), creado por annasimonova031299 el 03/05/2013.

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