Forestry Commission logo

Picture library: AV_signal_slowfast_LATEST500.jpg

Sound waves detected on two wood samples of identical length. The shorter arrival time of sample 2 equates to a faster speed of sound and a stiffer section of wood.

Reference:

Sound waves detected on two wood samples of identical length. The shorter arrival time of sample 2 equates to a faster speed of sound and a stiffer section of wood.


Photographer:
Copyright:
Credit line: Forestry Commission

add to lightbox add image to lightbox