Class XI

What type of sound waves can propagate in solids ?
  1. Longitudinal only
  2. Transverse only
  3. Either longitudinal or transverse
  4. Either longitudinal or transverse
Propagation of wave transfers:
  1. energy only
  2. both energy and matter
  3. matter only
  4. none of these
In longitudinal waves, the particles vibrate in a ___________ direction of propagation
  1. parallel
  2. perpendicular
  3. curved
  4. both parallel and perpendicular
Sound wave of which of the following frequency is an ultrasonics sound?
  1. 30 Hz
  2. 300 Hz
  3. 3000 Hz
  4. 30,000 Hz
A medium transmits a sound wave by virtue of its?
  1. elasticity
  2. inertia
  3. density
  4. both inertia and elasticity
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