Basically, a wave will hardly be affected by objects that are smaller than the wavelength. That means that shorter wavelengths are more appropriate for detecting objects.
the bats do not produce supersonic sounds.they produce ultrasonic sounds.Thats the reason we cant hear them
Why cant sound travel through empty space
light can travel through a vacuum whereas sound cant
Sound needs stone or metal, e.g. non-absorbant for sound. Wood absorbs sound, as does damp earth. Therefore, unless you are standing at a canyon in the woods, sound should not echo.
You can.
the bats do not produce supersonic sounds.they produce ultrasonic sounds.Thats the reason we cant hear them
Why cant sound travel through empty space
i need sound on skype
Sound can.
light can travel through a vacuum whereas sound cant
Sound needs stone or metal, e.g. non-absorbant for sound. Wood absorbs sound, as does damp earth. Therefore, unless you are standing at a canyon in the woods, sound should not echo.
There is no air for sound to travel through.
you cant
light can but sound cant as there is no air
A shoe.
You cant.
you cant