Class XI

The number of oscillations completed in one second is called _________.
  1. time period
  2. velocity
  3. frequency
  4. wavelength
A medium transmits a sound wave by virtue of its?
  1. elasticity
  2. inertia
  3. density
  4. both inertia and elasticity
The time taken to complete one oscillation is called _________.
  1. time period
  2. velocity
  3. frequency
  4. wavelength
: Waves produced on the surface of water are
  1. Longitudinal only
  2. Transverse waves only
  3. Electromagnetic Waves
  4. Both Longitudinal and Transversal
In which of the following, speed of the sound is maximum:
  1. air
  2. water
  3. steel
  4. kerosene
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