Physics Sounds?

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jet aircraft mechanics wearing ear protectors are able to converse with each other because the ear protectors block out the sound of the jet engine. What physics concept would account for this?

2007-09-30 15:23:24 · 1 answers · asked by dbol2005 1 in Science & Mathematics ➔ Physics

1 answers

Frequency filtering (passive)
or
Selective frequency interference (superposition with a 180 degree shift) - (active)

2007-09-30 15:35:55 · answer #1 · answered by Edward 7 · 0⤊ 0⤋