Echo sounding is a type of SONAR used to determine the depth of water by
transmitting sound ... Diagram showing the basic principle of echo sounding ...
headings of ships or obstacles by means of re...
Echoes occur when a reflected sound wave reaches the ear more than 0.1
seconds after the original sound wave .... This is depicted in the diagram at the
Reflection of sound waves. If a source of sound is directed at a vertical surface
some distance away, an ECHO may be heard. Sound waves "bounce" off the ...
www.wikiradiography.com/page/Basic Ultrasound Physics
Defining Ultrasound Ultrasound uses sound waves. ... Ultrasound uses a pulse-
echo technique of imaging the body. ... and the individual movement of each
particle in the diagram is/ can be described mathematically by the wave equation.
Get a FREE sound waves lesson plan, or one of many other physical science
lesson ... Under the diagram, students should describe what is observed as they
... Elicit students' ideas about real-world examples of this—for example, echoes.
Sound wave propagate by longitudinal motion. (compression/expansion) ...
These echoes are relatively intense and angle dependent. (i.e. valves) -
Laws of Reflection. The laws of reflection are the same for all types of waves,
including light and sound. The diagram below shows light reflecting in a mirror:
.... Sometimes this sound can be heard by the audience as an echo. To overcome
What happens when a sound wave hits a concave shaped surface? Is the sound
... Echoes are the sound of your own voice reflecting back to your ears.
Equivalent to sonar or radar, echolocation is the production of sound used for ...
forehead that acts like a lens to focus on sound waves ahead of the dolphins. ...
Information; Diagram Information: Explanation of Echolocation In Mammals ...
This lesson will explain what sound waves are, discuss features of sound ... We
can also use this diagram to measure the so-called wavelength of the wave.