When the object size is much larger than the wavelength, the sound bounces off like a ray of light hitting a mirror.
(the object size; is; much larger than the wavelength) (the sound; bounces off; T:When the object size is much larger than the wavelength) (a ray of light; hitting; a mirror)
the object size the sound a ray of light
is bounces off hitting
much larger than the wavelength
T:When the object size is much larger than the wavelength
a mirror