The echo (the sound reflection) and conditions necessary for hearing the echo
The echo The echo is a repetition of sound produced due to its reflection, It can be used to tell how far away an object is, how fast the object is moving, and even...
Category: The Waves
The uses and laws of reflection of sound waves
The reflection The reflection is the change in the direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated such as...
The importance and uses of the lasers in the industry
Lasers in the industry The lasers are used to drill, weld, cut and mark all the sorts of the materials, They can drill the tiny holes in the turbine blades more quickly and less...
The importance and medical uses of the laser beams
The laser The laser is a device that emits light through a process of optical amplification based on the stimulated emission of the electromagnetic radiation, The laser is highly coherent, It is monochromatic in...