Consumer Electronics

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 ...