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Question

Which of the following is true about damped vibrations?


  1. The amplitude does not change with time.
     

  2. There is a loss of energy in the form of heat.
     

  3. The frequency of vibrations is less than the natural frequency.
     

  4. There is a presence of resistive force


Solution

The correct options are
B

There is a loss of energy in the form of heat.
 


D

There is a presence of resistive force


The periodic vibrations of a body of decreasing amplitude in presence of a resistive force are called the damped vibrations.

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