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Consumer Electronics by S. P. Bali

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Fill in the Blanks

  1. A wave is a _____________ that travels through a medium.
  2. _____________ may be transmitted by waves.
  3. Where the waves arrive out of phase the interference is called _____________.
  4. Wavelength λ is the distance between two adjacent particles that are in the _____________.
  5. For resonance there is a _____________ transfer of energy and a resultant _____________ sound.
  6. In air, at ordinary temperature, the speed of sound is approximately _____________.
  7. The speed of sound in any medium depends on the _____________ of the medium and upon its _____________.
  8. A sound wave may be _____________ if the speed of the wave is not the same in all parts of the medium.
  9. An _____________ occurs when reflected sound waves return to the observer in ...

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