Beats are the result of 

  • Option 1)

    Diffraction

  • Option 2)

    Destructive interference

  • Option 3)

    Constructive and destructive interference

  • Option 4)

     Superposition of two waves of nearly equal frequency

 

Answers (1)
A Aadil Khan

 

Beat -

A phenomena resuits when two sound wave having equal amplitude and travelling in a medium in the same direction but having slightly different frequency.

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Option 1)

Diffraction

This is incorrect

Option 2)

Destructive interference

This is incorrect

Option 3)

Constructive and destructive interference

This is incorrect

Option 4)

 Superposition of two waves of nearly equal frequency

This is correct

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