Class XI

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
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
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
: Waves produced on the surface of water are
  1. Longitudinal only
  2. Transverse waves only
  3. Electromagnetic Waves
  4. Both Longitudinal and Transversal
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