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jd12345
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IS huygens principle a consequence of isotropy of space? According to wikipedia http://en.wikipedia.org/wiki/Huygens–Fresnel_principle it is
I don't really understand this : let's say a sound wave , a vibrator pushes the air molecule does this mean that molecule vibrates in all directions? Ofcourse the air molecule's backward vibrations will be canceled by the vibrators forward vibration but will the molecules vibrate in other directions too?
I don't really understand this : let's say a sound wave , a vibrator pushes the air molecule does this mean that molecule vibrates in all directions? Ofcourse the air molecule's backward vibrations will be canceled by the vibrators forward vibration but will the molecules vibrate in other directions too?