Recent content by vardhan_harsh

  1. V

    How does electricity create sound waves?

    check out this link : http://www.suite101.com/content/why-do-power-lines-buzz-a18405
  2. V

    Can sound from any source create thrust?

    a thrust will be produced. but d energy of sound will not b much to observed as a thrust.
  3. V

    How strong is gravity in the center of the earth?

    in simple words it'll become quarter part halfway.
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    No gravity at center of earth= no pressure?

    see..the force of gravity does not completely vanish inside the earth. take it like this the particles of dust ball will b atracted to each other if no pressure acts inside them.this will continue until all the partcles come close enough n shrink to point size. this is bcz gravity is force...
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    What happen to gravity in the center of earth

    Yes,as in case of a spherically symmetrical earth,the force at the centre will be neutralized as it is acting from all directions.
  6. V

    Understanding Single Mode Fiber and Cladding Materials

    we know that the cladding material is of lower refractive index than the inner core's refractive index.but what if instead of outer cladding glass material, air is used(which too has a lower refractive index)?would it also not cause TIR inside the core.
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