What is a wave?

  • A
    $A$ physical movement of matter from one place to another.
  • B
    $A$ disturbance in a medium due to repeated periodic motion of particles about their mean position,transferring energy without the actual net transport of the medium.
  • C
    The random motion of particles in a vacuum.
  • D
    $A$ stationary state of matter where particles do not move.

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Similar Questions

If an explosion takes place at the bottom of a lake,what type of shock waves will be produced in the water?

The rear view mirror of a motorbike starts vibrating violently at a particular speed of the motorbike.
$(a)$ Why does this happen?
$(b)$ What is the name of the phenomenon taking place?
$(c)$ What could be done to stop the violent vibration?

Define frequency,amplitude,and speed of a sound wave.

What is a trough?

$(i)$ Which property of sound wave determines:
$(a)$ loudness
$(b)$ pitch?
$(ii)$ $A$ $SONAR$ station picks up a return signal after $3 \ s$. How far away is the object? (Speed of sound in water is $1440 \ m \ s^{-1}$)
$(iii)$ How can reverberations in a big hall or auditorium be reduced?

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