Class XI

A medium transmits a sound wave by virtue of its?
  1. elasticity
  2. inertia
  3. density
  4. both inertia and elasticity
In longitudinal waves, the particles vibrate in a ___________ direction of propagation
  1. parallel
  2. perpendicular
  3. curved
  4. both parallel and perpendicular
When echo is heard ?
  1. If the time interval between original sound and reflected sound is more than 1/10s
  2. If the time interval between original sound and reflected sound is less 1/10s.
  3. If the tme interval between original sound and reflected sound is less than 1/120s.
  4. If the time interval between original sound and reflected sound is 1/120sSound Quiz also available on eduvictors.comWorksheet on Sound
In which of the following, speed of the sound is maximum:
  1. air
  2. water
  3. steel
  4. kerosene
The SI unit of wavelength is
  1. metre(b) s-1
  2. metre/second
  3. Hertz
  4. s-1
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